Home / 1,234,408.32-1,703,468.16-725,157.12

Finding the Fourth Proportional to 1,234,408.32, 1,703,468.16 and 725,157.12

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Solution

The fourth proportional to 1,234,408.32, 1,703,468.16 and 725,157.12 is: 1,000,707.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,408.32 : 1,703,468.16 = 725,157.12 : x
  2. Step 2: Convert to fraction form
    1,234,408.32/1,703,468.16 = 725,157.12/x
  3. Step 3: Cross multiply
    1,234,408.32x = 1,703,468.16 × 725,157.12
  4. Step 4: Simplify right side
    1,234,408.32x = 1,235,282,064,917.30
  5. Step 5: Solve for x
    x = 1,235,282,064,917.30/1,234,408.32
  6. Step 6: Final answer
    x = 1,000,707.82

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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.