Finding the Fourth Proportional to 1,124,723.64, 1,684,966.88 and 555,438.62
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Solution
The fourth proportional to 1,124,723.64, 1,684,966.88 and 555,438.62 is: 832,111.68
Step by Step Solution
- Step 1: Write the proportion equation
1,124,723.64 : 1,684,966.88 = 555,438.62 : x - Step 2: Convert to fraction form
1,124,723.64/1,684,966.88 = 555,438.62/x - Step 3: Cross multiply
1,124,723.64x = 1,684,966.88 × 555,438.62 - Step 4: Simplify right side
1,124,723.64x = 935,895,678,572.91 - Step 5: Solve for x
x = 935,895,678,572.91/1,124,723.64 - Step 6: Final answer
x = 832,111.68
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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.