Home / 1,313,095.38-1,812,210.92-769,687.72

Finding the Fourth Proportional to 1,313,095.38, 1,812,210.92 and 769,687.72

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Solution

The fourth proportional to 1,313,095.38, 1,812,210.92 and 769,687.72 is: 1,062,250.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,095.38 : 1,812,210.92 = 769,687.72 : x
  2. Step 2: Convert to fraction form
    1,313,095.38/1,812,210.92 = 769,687.72/x
  3. Step 3: Cross multiply
    1,313,095.38x = 1,812,210.92 × 769,687.72
  4. Step 4: Simplify right side
    1,313,095.38x = 1,394,836,491,173.90
  5. Step 5: Solve for x
    x = 1,394,836,491,173.90/1,313,095.38
  6. Step 6: Final answer
    x = 1,062,250.70

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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.