Home / 1,435,882.56-1,981,518.39-782,508.84

Finding the Fourth Proportional to 1,435,882.56, 1,981,518.39 and 782,508.84

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Solution

The fourth proportional to 1,435,882.56, 1,981,518.39 and 782,508.84 is: 1,079,862.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,882.56 : 1,981,518.39 = 782,508.84 : x
  2. Step 2: Convert to fraction form
    1,435,882.56/1,981,518.39 = 782,508.84/x
  3. Step 3: Cross multiply
    1,435,882.56x = 1,981,518.39 × 782,508.84
  4. Step 4: Simplify right side
    1,435,882.56x = 1,550,555,656,797.57
  5. Step 5: Solve for x
    x = 1,550,555,656,797.57/1,435,882.56
  6. Step 6: Final answer
    x = 1,079,862.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.