Home / 1,086,506.88-1,629,847.44-412,910.88

Finding the Fourth Proportional to 1,086,506.88, 1,629,847.44 and 412,910.88

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Solution

The fourth proportional to 1,086,506.88, 1,629,847.44 and 412,910.88 is: 619,399.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,506.88 : 1,629,847.44 = 412,910.88 : x
  2. Step 2: Convert to fraction form
    1,086,506.88/1,629,847.44 = 412,910.88/x
  3. Step 3: Cross multiply
    1,086,506.88x = 1,629,847.44 × 412,910.88
  4. Step 4: Simplify right side
    1,086,506.88x = 672,981,740,716.15
  5. Step 5: Solve for x
    x = 672,981,740,716.15/1,086,506.88
  6. Step 6: Final answer
    x = 619,399.43

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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.