Finding the Fourth Proportional to 1,267,748.27, 1,901,691.66 and 321,127.19
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Solution
The fourth proportional to 1,267,748.27, 1,901,691.66 and 321,127.19 is: 481,708.33
Step by Step Solution
- Step 1: Write the proportion equation
1,267,748.27 : 1,901,691.66 = 321,127.19 : x - Step 2: Convert to fraction form
1,267,748.27/1,901,691.66 = 321,127.19/x - Step 3: Cross multiply
1,267,748.27x = 1,901,691.66 × 321,127.19 - Step 4: Simplify right side
1,267,748.27x = 610,684,899,022.24 - Step 5: Solve for x
x = 610,684,899,022.24/1,267,748.27 - Step 6: Final answer
x = 481,708.33
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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.