Home / 1,231,853.83-1,847,785.04-378,919.69

Finding the Fourth Proportional to 1,231,853.83, 1,847,785.04 and 378,919.69

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Solution

The fourth proportional to 1,231,853.83, 1,847,785.04 and 378,919.69 is: 568,380.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,853.83 : 1,847,785.04 = 378,919.69 : x
  2. Step 2: Convert to fraction form
    1,231,853.83/1,847,785.04 = 378,919.69/x
  3. Step 3: Cross multiply
    1,231,853.83x = 1,847,785.04 × 378,919.69
  4. Step 4: Simplify right side
    1,231,853.83x = 700,162,134,543.44
  5. Step 5: Solve for x
    x = 700,162,134,543.44/1,231,853.83
  6. Step 6: Final answer
    x = 568,380.86

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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.