Home / 1,025,449.20-1,538,442.60-394,383.60

Finding the Fourth Proportional to 1,025,449.20, 1,538,442.60 and 394,383.60

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Solution

The fourth proportional to 1,025,449.20, 1,538,442.60 and 394,383.60 is: 591,678.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,449.20 : 1,538,442.60 = 394,383.60 : x
  2. Step 2: Convert to fraction form
    1,025,449.20/1,538,442.60 = 394,383.60/x
  3. Step 3: Cross multiply
    1,025,449.20x = 1,538,442.60 × 394,383.60
  4. Step 4: Simplify right side
    1,025,449.20x = 606,736,530,981.36
  5. Step 5: Solve for x
    x = 606,736,530,981.36/1,025,449.20
  6. Step 6: Final answer
    x = 591,678.78

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1.5x scale

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.