Home / 1,105,727.76-1,526,375.12-743,361.79

Finding the Fourth Proportional to 1,105,727.76, 1,526,375.12 and 743,361.79

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Solution

The fourth proportional to 1,105,727.76, 1,526,375.12 and 743,361.79 is: 1,026,155.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,727.76 : 1,526,375.12 = 743,361.79 : x
  2. Step 2: Convert to fraction form
    1,105,727.76/1,526,375.12 = 743,361.79/x
  3. Step 3: Cross multiply
    1,105,727.76x = 1,526,375.12 × 743,361.79
  4. Step 4: Simplify right side
    1,105,727.76x = 1,134,648,930,065.98
  5. Step 5: Solve for x
    x = 1,134,648,930,065.98/1,105,727.76
  6. Step 6: Final answer
    x = 1,026,155.78

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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.