Acetone can be hydrogenated IPA (and the reverse, IPA can be oxidised to acetone).

Which process is operated depends upon the relative prices of IPA and acetone.

Industrial Organic Chemistry, 3rd. Ed. K. Weissermel, H.-J. Arpe, VCH (1997)

Reaction defined as:
British A-Level Chemistry: AS
Hydrogenation, catalytic
Industrial Process: Organic
Reduction: Of Substrate By Reagent