Home / 1,379,369.22-2,067,711.95-659,523.86

Finding the Fourth Proportional to 1,379,369.22, 2,067,711.95 and 659,523.86

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Solution

The fourth proportional to 1,379,369.22, 2,067,711.95 and 659,523.86 is: 988,644.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,369.22 : 2,067,711.95 = 659,523.86 : x
  2. Step 2: Convert to fraction form
    1,379,369.22/2,067,711.95 = 659,523.86/x
  3. Step 3: Cross multiply
    1,379,369.22x = 2,067,711.95 × 659,523.86
  4. Step 4: Simplify right side
    1,379,369.22x = 1,363,705,366,632.13
  5. Step 5: Solve for x
    x = 1,363,705,366,632.13/1,379,369.22
  6. Step 6: Final answer
    x = 988,644.19

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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.