Home / 1,379,355.11-2,067,690.76-659,509.73

Finding the Fourth Proportional to 1,379,355.11, 2,067,690.76 and 659,509.73

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Solution

The fourth proportional to 1,379,355.11, 2,067,690.76 and 659,509.73 is: 988,622.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,355.11 : 2,067,690.76 = 659,509.73 : x
  2. Step 2: Convert to fraction form
    1,379,355.11/2,067,690.76 = 659,509.73/x
  3. Step 3: Cross multiply
    1,379,355.11x = 2,067,690.76 × 659,509.73
  4. Step 4: Simplify right side
    1,379,355.11x = 1,363,662,162,863.87
  5. Step 5: Solve for x
    x = 1,363,662,162,863.87/1,379,355.11
  6. Step 6: Final answer
    x = 988,622.99

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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.