Finding the Fourth Proportional to 1,165,161.40, 1,748,421.42 and 491,201.44
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Solution
The fourth proportional to 1,165,161.40, 1,748,421.42 and 491,201.44 is: 737,088.54
Step by Step Solution
- Step 1: Write the proportion equation
1,165,161.40 : 1,748,421.42 = 491,201.44 : x - Step 2: Convert to fraction form
1,165,161.40/1,748,421.42 = 491,201.44/x - Step 3: Cross multiply
1,165,161.40x = 1,748,421.42 × 491,201.44 - Step 4: Simplify right side
1,165,161.40x = 858,827,108,032.73 - Step 5: Solve for x
x = 858,827,108,032.73/1,165,161.40 - Step 6: Final answer
x = 737,088.54
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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.