Home / 1,145,178.10-1,717,767.15-720,025.30

Finding the Fourth Proportional to 1,145,178.10, 1,717,767.15 and 720,025.30

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Solution

The fourth proportional to 1,145,178.10, 1,717,767.15 and 720,025.30 is: 1,080,037.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,178.10 : 1,717,767.15 = 720,025.30 : x
  2. Step 2: Convert to fraction form
    1,145,178.10/1,717,767.15 = 720,025.30/x
  3. Step 3: Cross multiply
    1,145,178.10x = 1,717,767.15 × 720,025.30
  4. Step 4: Simplify right side
    1,145,178.10x = 1,236,835,807,508.90
  5. Step 5: Solve for x
    x = 1,236,835,807,508.90/1,145,178.10
  6. Step 6: Final answer
    x = 1,080,037.95

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Double scale
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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.