Home / 1,394,341.20-1,923,752.25-782,404.02

Finding the Fourth Proportional to 1,394,341.20, 1,923,752.25 and 782,404.02

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Solution

The fourth proportional to 1,394,341.20, 1,923,752.25 and 782,404.02 is: 1,079,471.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,341.20 : 1,923,752.25 = 782,404.02 : x
  2. Step 2: Convert to fraction form
    1,394,341.20/1,923,752.25 = 782,404.02/x
  3. Step 3: Cross multiply
    1,394,341.20x = 1,923,752.25 × 782,404.02
  4. Step 4: Simplify right side
    1,394,341.20x = 1,505,151,493,884.05
  5. Step 5: Solve for x
    x = 1,505,151,493,884.05/1,394,341.20
  6. Step 6: Final answer
    x = 1,079,471.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.