Home / 1,028,794.92-1,542,628.62-318,625.80

Finding the Fourth Proportional to 1,028,794.92, 1,542,628.62 and 318,625.80

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Solution

The fourth proportional to 1,028,794.92, 1,542,628.62 and 318,625.80 is: 477,764.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,794.92 : 1,542,628.62 = 318,625.80 : x
  2. Step 2: Convert to fraction form
    1,028,794.92/1,542,628.62 = 318,625.80/x
  3. Step 3: Cross multiply
    1,028,794.92x = 1,542,628.62 × 318,625.80
  4. Step 4: Simplify right side
    1,028,794.92x = 491,521,278,150.40
  5. Step 5: Solve for x
    x = 491,521,278,150.40/1,028,794.92
  6. Step 6: Final answer
    x = 477,764.10

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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.