Home / 1,022,847.40-1,533,695.10-391,781.80

Finding the Fourth Proportional to 1,022,847.40, 1,533,695.10 and 391,781.80

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Solution

The fourth proportional to 1,022,847.40, 1,533,695.10 and 391,781.80 is: 587,452.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,847.40 : 1,533,695.10 = 391,781.80 : x
  2. Step 2: Convert to fraction form
    1,022,847.40/1,533,695.10 = 391,781.80/x
  3. Step 3: Cross multiply
    1,022,847.40x = 1,533,695.10 × 391,781.80
  4. Step 4: Simplify right side
    1,022,847.40x = 600,873,826,929.18
  5. Step 5: Solve for x
    x = 600,873,826,929.18/1,022,847.40
  6. Step 6: Final answer
    x = 587,452.07

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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.