Home / 1,107,406.30-1,661,887.05-476,772.70

Finding the Fourth Proportional to 1,107,406.30, 1,661,887.05 and 476,772.70

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Solution

The fourth proportional to 1,107,406.30, 1,661,887.05 and 476,772.70 is: 715,493.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,406.30 : 1,661,887.05 = 476,772.70 : x
  2. Step 2: Convert to fraction form
    1,107,406.30/1,661,887.05 = 476,772.70/x
  3. Step 3: Cross multiply
    1,107,406.30x = 1,661,887.05 × 476,772.70
  4. Step 4: Simplify right side
    1,107,406.30x = 792,342,375,923.54
  5. Step 5: Solve for x
    x = 792,342,375,923.54/1,107,406.30
  6. Step 6: Final answer
    x = 715,493.83

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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.