Home / 1,723,072.20-2,377,800.27-1,078,847.61

Finding the Fourth Proportional to 1,723,072.20, 2,377,800.27 and 1,078,847.61

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Solution

The fourth proportional to 1,723,072.20, 2,377,800.27 and 1,078,847.61 is: 1,488,785.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723,072.20 : 2,377,800.27 = 1,078,847.61 : x
  2. Step 2: Convert to fraction form
    1,723,072.20/2,377,800.27 = 1,078,847.61/x
  3. Step 3: Cross multiply
    1,723,072.20x = 2,377,800.27 × 1,078,847.61
  4. Step 4: Simplify right side
    1,723,072.20x = 2,565,284,138,346.86
  5. Step 5: Solve for x
    x = 2,565,284,138,346.86/1,723,072.20
  6. Step 6: Final answer
    x = 1,488,785.05

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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.