Home / 999,200.30-1,496,176.05-787,498.70

Finding the Fourth Proportional to 999,200.30, 1,496,176.05 and 787,498.70

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Solution

The fourth proportional to 999,200.30, 1,496,176.05 and 787,498.70 is: 1,179,179.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,200.30 : 1,496,176.05 = 787,498.70 : x
  2. Step 2: Convert to fraction form
    999,200.30/1,496,176.05 = 787,498.70/x
  3. Step 3: Cross multiply
    999,200.30x = 1,496,176.05 × 787,498.70
  4. Step 4: Simplify right side
    999,200.30x = 1,178,236,694,346.14
  5. Step 5: Solve for x
    x = 1,178,236,694,346.14/999,200.30
  6. Step 6: Final answer
    x = 1,179,179.68

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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.