Home / 1,275,231.12-1,759,819.32-702,269.52

Finding the Fourth Proportional to 1,275,231.12, 1,759,819.32 and 702,269.52

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Solution

The fourth proportional to 1,275,231.12, 1,759,819.32 and 702,269.52 is: 969,132.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,231.12 : 1,759,819.32 = 702,269.52 : x
  2. Step 2: Convert to fraction form
    1,275,231.12/1,759,819.32 = 702,269.52/x
  3. Step 3: Cross multiply
    1,275,231.12x = 1,759,819.32 × 702,269.52
  4. Step 4: Simplify right side
    1,275,231.12x = 1,235,867,469,143.13
  5. Step 5: Solve for x
    x = 1,235,867,469,143.13/1,275,231.12
  6. Step 6: Final answer
    x = 969,132.14

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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.