Home / 1,250,879.76-1,726,209.72-677,934

Finding the Fourth Proportional to 1,250,879.76, 1,726,209.72 and 677,934

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Solution

The fourth proportional to 1,250,879.76, 1,726,209.72 and 677,934 is: 935,546.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,879.76 : 1,726,209.72 = 677,934 : x
  2. Step 2: Convert to fraction form
    1,250,879.76/1,726,209.72 = 677,934/x
  3. Step 3: Cross multiply
    1,250,879.76x = 1,726,209.72 × 677,934
  4. Step 4: Simplify right side
    1,250,879.76x = 1,170,256,260,318.48
  5. Step 5: Solve for x
    x = 1,170,256,260,318.48/1,250,879.76
  6. Step 6: Final answer
    x = 935,546.56

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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.