Home / 1,229,000.10-1,843,500.15-725,115.30

Finding the Fourth Proportional to 1,229,000.10, 1,843,500.15 and 725,115.30

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Solution

The fourth proportional to 1,229,000.10, 1,843,500.15 and 725,115.30 is: 1,087,672.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,000.10 : 1,843,500.15 = 725,115.30 : x
  2. Step 2: Convert to fraction form
    1,229,000.10/1,843,500.15 = 725,115.30/x
  3. Step 3: Cross multiply
    1,229,000.10x = 1,843,500.15 × 725,115.30
  4. Step 4: Simplify right side
    1,229,000.10x = 1,336,750,164,317.30
  5. Step 5: Solve for x
    x = 1,336,750,164,317.30/1,229,000.10
  6. Step 6: Final answer
    x = 1,087,672.95

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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.