Home / 1,028,301.52-1,542,525.72-318,238.24

Finding the Fourth Proportional to 1,028,301.52, 1,542,525.72 and 318,238.24

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Solution

The fourth proportional to 1,028,301.52, 1,542,525.72 and 318,238.24 is: 477,380.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,301.52 : 1,542,525.72 = 318,238.24 : x
  2. Step 2: Convert to fraction form
    1,028,301.52/1,542,525.72 = 318,238.24/x
  3. Step 3: Cross multiply
    1,028,301.52x = 1,542,525.72 × 318,238.24
  4. Step 4: Simplify right side
    1,028,301.52x = 490,890,670,287.53
  5. Step 5: Solve for x
    x = 490,890,670,287.53/1,028,301.52
  6. Step 6: Final answer
    x = 477,380.09

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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.