Finding the Fourth Proportional to 1,207,575.98, 1,811,363.96 and 449,397.75
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Solution
The fourth proportional to 1,207,575.98, 1,811,363.96 and 449,397.75 is: 674,096.63
Step by Step Solution
- Step 1: Write the proportion equation
1,207,575.98 : 1,811,363.96 = 449,397.75 : x - Step 2: Convert to fraction form
1,207,575.98/1,811,363.96 = 449,397.75/x - Step 3: Cross multiply
1,207,575.98x = 1,811,363.96 × 449,397.75 - Step 4: Simplify right side
1,207,575.98x = 814,022,893,256.29 - Step 5: Solve for x
x = 814,022,893,256.29/1,207,575.98 - Step 6: Final answer
x = 674,096.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.