Finding the Fourth Proportional to 1,071,290.96, 1,478,377.44 and 587,864.19
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Solution
The fourth proportional to 1,071,290.96, 1,478,377.44 and 587,864.19 is: 811,250.34
Step by Step Solution
- Step 1: Write the proportion equation
1,071,290.96 : 1,478,377.44 = 587,864.19 : x - Step 2: Convert to fraction form
1,071,290.96/1,478,377.44 = 587,864.19/x - Step 3: Cross multiply
1,071,290.96x = 1,478,377.44 × 587,864.19 - Step 4: Simplify right side
1,071,290.96x = 869,085,156,279.87 - Step 5: Solve for x
x = 869,085,156,279.87/1,071,290.96 - Step 6: Final answer
x = 811,250.34
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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.