Home / 1,231,890.59-1,847,840.42-378,956.33

Finding the Fourth Proportional to 1,231,890.59, 1,847,840.42 and 378,956.33

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Solution

The fourth proportional to 1,231,890.59, 1,847,840.42 and 378,956.33 is: 568,435.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,890.59 : 1,847,840.42 = 378,956.33 : x
  2. Step 2: Convert to fraction form
    1,231,890.59/1,847,840.42 = 378,956.33/x
  3. Step 3: Cross multiply
    1,231,890.59x = 1,847,840.42 × 378,956.33
  4. Step 4: Simplify right side
    1,231,890.59x = 700,250,815,697.05
  5. Step 5: Solve for x
    x = 700,250,815,697.05/1,231,890.59
  6. Step 6: Final answer
    x = 568,435.89

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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.