Home / 1,320,882.26-1,981,605.67-410,044.61

Finding the Fourth Proportional to 1,320,882.26, 1,981,605.67 and 410,044.61

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Solution

The fourth proportional to 1,320,882.26, 1,981,605.67 and 410,044.61 is: 615,154.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,882.26 : 1,981,605.67 = 410,044.61 : x
  2. Step 2: Convert to fraction form
    1,320,882.26/1,981,605.67 = 410,044.61/x
  3. Step 3: Cross multiply
    1,320,882.26x = 1,981,605.67 × 410,044.61
  4. Step 4: Simplify right side
    1,320,882.26x = 812,546,728,057.84
  5. Step 5: Solve for x
    x = 812,546,728,057.84/1,320,882.26
  6. Step 6: Final answer
    x = 615,154.55

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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.