Finding the Fourth Proportional to 885,023.92, 1,326,531.21 and 778,201.12
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Solution
The fourth proportional to 885,023.92, 1,326,531.21 and 778,201.12 is: 1,166,418.27
Step by Step Solution
- Step 1: Write the proportion equation
885,023.92 : 1,326,531.21 = 778,201.12 : x - Step 2: Convert to fraction form
885,023.92/1,326,531.21 = 778,201.12/x - Step 3: Cross multiply
885,023.92x = 1,326,531.21 × 778,201.12 - Step 4: Simplify right side
885,023.92x = 1,032,308,073,336.96 - Step 5: Solve for x
x = 1,032,308,073,336.96/885,023.92 - Step 6: Final answer
x = 1,166,418.27
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.