Finding the Fourth Proportional to 1,071,299.39, 1,478,484.98 and 587,957.97
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Solution
The fourth proportional to 1,071,299.39, 1,478,484.98 and 587,957.97 is: 811,432.39
Step by Step Solution
- Step 1: Write the proportion equation
1,071,299.39 : 1,478,484.98 = 587,957.97 : x - Step 2: Convert to fraction form
1,071,299.39/1,478,484.98 = 587,957.97/x - Step 3: Cross multiply
1,071,299.39x = 1,478,484.98 × 587,957.97 - Step 4: Simplify right side
1,071,299.39x = 869,287,028,986.19 - Step 5: Solve for x
x = 869,287,028,986.19/1,071,299.39 - Step 6: Final answer
x = 811,432.39
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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.