Home / 1,040,520.38-1,560,758.40-479,554.88

Finding the Fourth Proportional to 1,040,520.38, 1,560,758.40 and 479,554.88

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Solution

The fourth proportional to 1,040,520.38, 1,560,758.40 and 479,554.88 is: 719,322.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,520.38 : 1,560,758.40 = 479,554.88 : x
  2. Step 2: Convert to fraction form
    1,040,520.38/1,560,758.40 = 479,554.88/x
  3. Step 3: Cross multiply
    1,040,520.38x = 1,560,758.40 × 479,554.88
  4. Step 4: Simplify right side
    1,040,520.38x = 748,469,307,220.99
  5. Step 5: Solve for x
    x = 748,469,307,220.99/1,040,520.38
  6. Step 6: Final answer
    x = 719,322.10

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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.