Home / 1,542,578.40-2,313,489.96-644,027.56

Finding the Fourth Proportional to 1,542,578.40, 2,313,489.96 and 644,027.56

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Solution

The fourth proportional to 1,542,578.40, 2,313,489.96 and 644,027.56 is: 965,883.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,578.40 : 2,313,489.96 = 644,027.56 : x
  2. Step 2: Convert to fraction form
    1,542,578.40/2,313,489.96 = 644,027.56/x
  3. Step 3: Cross multiply
    1,542,578.40x = 2,313,489.96 × 644,027.56
  4. Step 4: Simplify right side
    1,542,578.40x = 1,489,951,294,023.30
  5. Step 5: Solve for x
    x = 1,489,951,294,023.30/1,542,578.40
  6. Step 6: Final answer
    x = 965,883.68

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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.