Finding the Fourth Proportional to 1,125,092.16, 1,687,456.68 and 415,454.40
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Solution
The fourth proportional to 1,125,092.16, 1,687,456.68 and 415,454.40 is: 623,114.56
Step by Step Solution
- Step 1: Write the proportion equation
1,125,092.16 : 1,687,456.68 = 415,454.40 : x - Step 2: Convert to fraction form
1,125,092.16/1,687,456.68 = 415,454.40/x - Step 3: Cross multiply
1,125,092.16x = 1,687,456.68 × 415,454.40 - Step 4: Simplify right side
1,125,092.16x = 701,061,302,515.39 - Step 5: Solve for x
x = 701,061,302,515.39/1,125,092.16 - Step 6: Final answer
x = 623,114.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.