Finding the Fourth Proportional to 1,123,531.68, 1,550,479.20 and 614,234.08
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Solution
The fourth proportional to 1,123,531.68, 1,550,479.20 and 614,234.08 is: 847,646.03
Step by Step Solution
- Step 1: Write the proportion equation
1,123,531.68 : 1,550,479.20 = 614,234.08 : x - Step 2: Convert to fraction form
1,123,531.68/1,550,479.20 = 614,234.08/x - Step 3: Cross multiply
1,123,531.68x = 1,550,479.20 × 614,234.08 - Step 4: Simplify right side
1,123,531.68x = 952,357,164,971.14 - Step 5: Solve for x
x = 952,357,164,971.14/1,123,531.68 - Step 6: Final answer
x = 847,646.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.