Finding the Fourth Proportional to 1,071,272.36, 1,478,306.16 and 587,825.48
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Solution
The fourth proportional to 1,071,272.36, 1,478,306.16 and 587,825.48 is: 811,171.89
Step by Step Solution
- Step 1: Write the proportion equation
1,071,272.36 : 1,478,306.16 = 587,825.48 : x - Step 2: Convert to fraction form
1,071,272.36/1,478,306.16 = 587,825.48/x - Step 3: Cross multiply
1,071,272.36x = 1,478,306.16 × 587,825.48 - Step 4: Simplify right side
1,071,272.36x = 868,986,028,088.96 - Step 5: Solve for x
x = 868,986,028,088.96/1,071,272.36 - Step 6: Final answer
x = 811,171.89
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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.