Home / 1,108,575.30-1,530,249.90-726,626.68

Finding the Fourth Proportional to 1,108,575.30, 1,530,249.90 and 726,626.68

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Solution

The fourth proportional to 1,108,575.30, 1,530,249.90 and 726,626.68 is: 1,003,017.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,575.30 : 1,530,249.90 = 726,626.68 : x
  2. Step 2: Convert to fraction form
    1,108,575.30/1,530,249.90 = 726,626.68/x
  3. Step 3: Cross multiply
    1,108,575.30x = 1,530,249.90 × 726,626.68
  4. Step 4: Simplify right side
    1,108,575.30x = 1,111,920,404,407.33
  5. Step 5: Solve for x
    x = 1,111,920,404,407.33/1,108,575.30
  6. Step 6: Final answer
    x = 1,003,017.48

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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.