Home / 1,008,474.72-1,391,695.12-555,765.72

Finding the Fourth Proportional to 1,008,474.72, 1,391,695.12 and 555,765.72

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Solution

The fourth proportional to 1,008,474.72, 1,391,695.12 and 555,765.72 is: 766,956.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,474.72 : 1,391,695.12 = 555,765.72 : x
  2. Step 2: Convert to fraction form
    1,008,474.72/1,391,695.12 = 555,765.72/x
  3. Step 3: Cross multiply
    1,008,474.72x = 1,391,695.12 × 555,765.72
  4. Step 4: Simplify right side
    1,008,474.72x = 773,456,435,863.14
  5. Step 5: Solve for x
    x = 773,456,435,863.14/1,008,474.72
  6. Step 6: Final answer
    x = 766,956.70

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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.