Home / 1,275,477.28-1,760,238.40-702,517.28

Finding the Fourth Proportional to 1,275,477.28, 1,760,238.40 and 702,517.28

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Solution

The fourth proportional to 1,275,477.28, 1,760,238.40 and 702,517.28 is: 969,517.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,477.28 : 1,760,238.40 = 702,517.28 : x
  2. Step 2: Convert to fraction form
    1,275,477.28/1,760,238.40 = 702,517.28/x
  3. Step 3: Cross multiply
    1,275,477.28x = 1,760,238.40 × 702,517.28
  4. Step 4: Simplify right side
    1,275,477.28x = 1,236,597,892,919.55
  5. Step 5: Solve for x
    x = 1,236,597,892,919.55/1,275,477.28
  6. Step 6: Final answer
    x = 969,517.77

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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.