Finding the Fourth Proportional to 1,125,256.56, 1,687,340.52 and 415,618.80
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Solution
The fourth proportional to 1,125,256.56, 1,687,340.52 and 415,618.80 is: 623,227.15
Step by Step Solution
- Step 1: Write the proportion equation
1,125,256.56 : 1,687,340.52 = 415,618.80 : x - Step 2: Convert to fraction form
1,125,256.56/1,687,340.52 = 415,618.80/x - Step 3: Cross multiply
1,125,256.56x = 1,687,340.52 × 415,618.80 - Step 4: Simplify right side
1,125,256.56x = 701,290,442,113.78 - Step 5: Solve for x
x = 701,290,442,113.78/1,125,256.56 - Step 6: Final answer
x = 623,227.15
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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.