Finding the Fourth Proportional to 1,207,690.97, 1,811,494.92 and 309,140.48
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Solution
The fourth proportional to 1,207,690.97, 1,811,494.92 and 309,140.48 is: 463,700.09
Step by Step Solution
- Step 1: Write the proportion equation
1,207,690.97 : 1,811,494.92 = 309,140.48 : x - Step 2: Convert to fraction form
1,207,690.97/1,811,494.92 = 309,140.48/x - Step 3: Cross multiply
1,207,690.97x = 1,811,494.92 × 309,140.48 - Step 4: Simplify right side
1,207,690.97x = 560,006,414,774.38 - Step 5: Solve for x
x = 560,006,414,774.38/1,207,690.97 - Step 6: Final answer
x = 463,700.09
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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.