Home / 1,126,879.60-1,555,084.92-617,580.76

Finding the Fourth Proportional to 1,126,879.60, 1,555,084.92 and 617,580.76

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Solution

The fourth proportional to 1,126,879.60, 1,555,084.92 and 617,580.76 is: 852,256.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,879.60 : 1,555,084.92 = 617,580.76 : x
  2. Step 2: Convert to fraction form
    1,126,879.60/1,555,084.92 = 617,580.76/x
  3. Step 3: Cross multiply
    1,126,879.60x = 1,555,084.92 × 617,580.76
  4. Step 4: Simplify right side
    1,126,879.60x = 960,390,526,758.14
  5. Step 5: Solve for x
    x = 960,390,526,758.14/1,126,879.60
  6. Step 6: Final answer
    x = 852,256.56

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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.