Home / 1,126,767.80-1,690,135.38-273,845.72

Finding the Fourth Proportional to 1,126,767.80, 1,690,135.38 and 273,845.72

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Solution

The fourth proportional to 1,126,767.80, 1,690,135.38 and 273,845.72 is: 410,764.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,767.80 : 1,690,135.38 = 273,845.72 : x
  2. Step 2: Convert to fraction form
    1,126,767.80/1,690,135.38 = 273,845.72/x
  3. Step 3: Cross multiply
    1,126,767.80x = 1,690,135.38 × 273,845.72
  4. Step 4: Simplify right side
    1,126,767.80x = 462,836,340,033.57
  5. Step 5: Solve for x
    x = 462,836,340,033.57/1,126,767.80
  6. Step 6: Final answer
    x = 410,764.61

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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.