Home / 1,170,086.55-1,755,129.83-719,345.85

Finding the Fourth Proportional to 1,170,086.55, 1,755,129.83 and 719,345.85

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Solution

The fourth proportional to 1,170,086.55, 1,755,129.83 and 719,345.85 is: 1,079,018.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,086.55 : 1,755,129.83 = 719,345.85 : x
  2. Step 2: Convert to fraction form
    1,170,086.55/1,755,129.83 = 719,345.85/x
  3. Step 3: Cross multiply
    1,170,086.55x = 1,755,129.83 × 719,345.85
  4. Step 4: Simplify right side
    1,170,086.55x = 1,262,545,355,824.98
  5. Step 5: Solve for x
    x = 1,262,545,355,824.98/1,170,086.55
  6. Step 6: Final answer
    x = 1,079,018.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.