Home / 1,305,850.08-1,802,162.40-725,103.21

Finding the Fourth Proportional to 1,305,850.08, 1,802,162.40 and 725,103.21

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Solution

The fourth proportional to 1,305,850.08, 1,802,162.40 and 725,103.21 is: 1,000,692.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,850.08 : 1,802,162.40 = 725,103.21 : x
  2. Step 2: Convert to fraction form
    1,305,850.08/1,802,162.40 = 725,103.21/x
  3. Step 3: Cross multiply
    1,305,850.08x = 1,802,162.40 × 725,103.21
  4. Step 4: Simplify right side
    1,305,850.08x = 1,306,753,741,181.30
  5. Step 5: Solve for x
    x = 1,306,753,741,181.30/1,305,850.08
  6. Step 6: Final answer
    x = 1,000,692.01

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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.