Home / 1,353,098.74-1,867,278.54-741,238.12

Finding the Fourth Proportional to 1,353,098.74, 1,867,278.54 and 741,238.12

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Solution

The fourth proportional to 1,353,098.74, 1,867,278.54 and 741,238.12 is: 1,022,909.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,098.74 : 1,867,278.54 = 741,238.12 : x
  2. Step 2: Convert to fraction form
    1,353,098.74/1,867,278.54 = 741,238.12/x
  3. Step 3: Cross multiply
    1,353,098.74x = 1,867,278.54 × 741,238.12
  4. Step 4: Simplify right side
    1,353,098.74x = 1,384,098,034,505.94
  5. Step 5: Solve for x
    x = 1,384,098,034,505.94/1,353,098.74
  6. Step 6: Final answer
    x = 1,022,909.85

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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.