Home / 1,086,520.60-1,629,789.04-412,420.16

Finding the Fourth Proportional to 1,086,520.60, 1,629,789.04 and 412,420.16

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Solution

The fourth proportional to 1,086,520.60, 1,629,789.04 and 412,420.16 is: 618,633.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,520.60 : 1,629,789.04 = 412,420.16 : x
  2. Step 2: Convert to fraction form
    1,086,520.60/1,629,789.04 = 412,420.16/x
  3. Step 3: Cross multiply
    1,086,520.60x = 1,629,789.04 × 412,420.16
  4. Step 4: Simplify right side
    1,086,520.60x = 672,157,856,643.05
  5. Step 5: Solve for x
    x = 672,157,856,643.05/1,086,520.60
  6. Step 6: Final answer
    x = 618,633.33

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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.