Finding the Fourth Proportional to 1,349,104.76, 1,861,691.47 and 745,453.88
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Solution
The fourth proportional to 1,349,104.76, 1,861,691.47 and 745,453.88 is: 1,028,685.96
Step by Step Solution
- Step 1: Write the proportion equation
1,349,104.76 : 1,861,691.47 = 745,453.88 : x - Step 2: Convert to fraction form
1,349,104.76/1,861,691.47 = 745,453.88/x - Step 3: Cross multiply
1,349,104.76x = 1,861,691.47 × 745,453.88 - Step 4: Simplify right side
1,349,104.76x = 1,387,805,118,502.31 - Step 5: Solve for x
x = 1,387,805,118,502.31/1,349,104.76 - Step 6: Final answer
x = 1,028,685.96
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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.