Home / 1,086,550.20-1,630,862.10-928,956.60

Finding the Fourth Proportional to 1,086,550.20, 1,630,862.10 and 928,956.60

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Solution

The fourth proportional to 1,086,550.20, 1,630,862.10 and 928,956.60 is: 1,394,321.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,550.20 : 1,630,862.10 = 928,956.60 : x
  2. Step 2: Convert to fraction form
    1,086,550.20/1,630,862.10 = 928,956.60/x
  3. Step 3: Cross multiply
    1,086,550.20x = 1,630,862.10 × 928,956.60
  4. Step 4: Simplify right side
    1,086,550.20x = 1,515,000,111,484.86
  5. Step 5: Solve for x
    x = 1,515,000,111,484.86/1,086,550.20
  6. Step 6: Final answer
    x = 1,394,321.32

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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.