Finding the Fourth Proportional to 1,343,134.70, 1,853,593.95 and 762,398.54
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Solution
The fourth proportional to 1,343,134.70, 1,853,593.95 and 762,398.54 is: 1,052,148.62
Step by Step Solution
- Step 1: Write the proportion equation
1,343,134.70 : 1,853,593.95 = 762,398.54 : x - Step 2: Convert to fraction form
1,343,134.70/1,853,593.95 = 762,398.54/x - Step 3: Cross multiply
1,343,134.70x = 1,853,593.95 × 762,398.54 - Step 4: Simplify right side
1,343,134.70x = 1,413,177,321,232.83 - Step 5: Solve for x
x = 1,413,177,321,232.83/1,343,134.70 - Step 6: Final answer
x = 1,052,148.62
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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.