Home / 1,203,707.76-1,661,105.88-659,874.48

Finding the Fourth Proportional to 1,203,707.76, 1,661,105.88 and 659,874.48

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Solution

The fourth proportional to 1,203,707.76, 1,661,105.88 and 659,874.48 is: 910,620.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,707.76 : 1,661,105.88 = 659,874.48 : x
  2. Step 2: Convert to fraction form
    1,203,707.76/1,661,105.88 = 659,874.48/x
  3. Step 3: Cross multiply
    1,203,707.76x = 1,661,105.88 × 659,874.48
  4. Step 4: Simplify right side
    1,203,707.76x = 1,096,121,378,789.94
  5. Step 5: Solve for x
    x = 1,096,121,378,789.94/1,203,707.76
  6. Step 6: Final answer
    x = 910,620.85

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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.