Finding the Fourth Proportional to 1,344,177.13, 1,854,963.42 and 740,565.13
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Solution
The fourth proportional to 1,344,177.13, 1,854,963.42 and 740,565.13 is: 1,021,979.32
Step by Step Solution
- Step 1: Write the proportion equation
1,344,177.13 : 1,854,963.42 = 740,565.13 : x - Step 2: Convert to fraction form
1,344,177.13/1,854,963.42 = 740,565.13/x - Step 3: Cross multiply
1,344,177.13x = 1,854,963.42 × 740,565.13 - Step 4: Simplify right side
1,344,177.13x = 1,373,721,226,277.54 - Step 5: Solve for x
x = 1,373,721,226,277.54/1,344,177.13 - Step 6: Final answer
x = 1,021,979.32
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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.