Home / 756,502.20-1,134,753.30-718,120.35

Finding the Fourth Proportional to 756,502.20, 1,134,753.30 and 718,120.35

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Solution

The fourth proportional to 756,502.20, 1,134,753.30 and 718,120.35 is: 1,077,180.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,502.20 : 1,134,753.30 = 718,120.35 : x
  2. Step 2: Convert to fraction form
    756,502.20/1,134,753.30 = 718,120.35/x
  3. Step 3: Cross multiply
    756,502.20x = 1,134,753.30 × 718,120.35
  4. Step 4: Simplify right side
    756,502.20x = 814,889,436,959.66
  5. Step 5: Solve for x
    x = 814,889,436,959.66/756,502.20
  6. Step 6: Final answer
    x = 1,077,180.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.