Finding the Fourth Proportional to 1,170,419.70, 1,755,629.55 and 371,781.98
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Solution
The fourth proportional to 1,170,419.70, 1,755,629.55 and 371,781.98 is: 557,672.96
Step by Step Solution
- Step 1: Write the proportion equation
1,170,419.70 : 1,755,629.55 = 371,781.98 : x - Step 2: Convert to fraction form
1,170,419.70/1,755,629.55 = 371,781.98/x - Step 3: Cross multiply
1,170,419.70x = 1,755,629.55 × 371,781.98 - Step 4: Simplify right side
1,170,419.70x = 652,711,421,467.36 - Step 5: Solve for x
x = 652,711,421,467.36/1,170,419.70 - Step 6: Final answer
x = 557,672.96
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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.