Home / 1,129,490.12-1,694,257.16-446,358.80

Finding the Fourth Proportional to 1,129,490.12, 1,694,257.16 and 446,358.80

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Solution

The fourth proportional to 1,129,490.12, 1,694,257.16 and 446,358.80 is: 669,546.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,490.12 : 1,694,257.16 = 446,358.80 : x
  2. Step 2: Convert to fraction form
    1,129,490.12/1,694,257.16 = 446,358.80/x
  3. Step 3: Cross multiply
    1,129,490.12x = 1,694,257.16 × 446,358.80
  4. Step 4: Simplify right side
    1,129,490.12x = 756,246,594,832.86
  5. Step 5: Solve for x
    x = 756,246,594,832.86/1,129,490.12
  6. Step 6: Final answer
    x = 669,546.89

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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.