Home / 1,305,175.20-1,801,049.68-724,427.88

Finding the Fourth Proportional to 1,305,175.20, 1,801,049.68 and 724,427.88

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Solution

The fourth proportional to 1,305,175.20, 1,801,049.68 and 724,427.88 is: 999,659.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,175.20 : 1,801,049.68 = 724,427.88 : x
  2. Step 2: Convert to fraction form
    1,305,175.20/1,801,049.68 = 724,427.88/x
  3. Step 3: Cross multiply
    1,305,175.20x = 1,801,049.68 × 724,427.88
  4. Step 4: Simplify right side
    1,305,175.20x = 1,304,730,601,457.08
  5. Step 5: Solve for x
    x = 1,304,730,601,457.08/1,305,175.20
  6. Step 6: Final answer
    x = 999,659.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.