Home / 1,040,651.88-1,561,246.42-320,977.30

Finding the Fourth Proportional to 1,040,651.88, 1,561,246.42 and 320,977.30

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Solution

The fourth proportional to 1,040,651.88, 1,561,246.42 and 320,977.30 is: 481,548.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,651.88 : 1,561,246.42 = 320,977.30 : x
  2. Step 2: Convert to fraction form
    1,040,651.88/1,561,246.42 = 320,977.30/x
  3. Step 3: Cross multiply
    1,040,651.88x = 1,561,246.42 × 320,977.30
  4. Step 4: Simplify right side
    1,040,651.88x = 501,124,660,526.27
  5. Step 5: Solve for x
    x = 501,124,660,526.27/1,040,651.88
  6. Step 6: Final answer
    x = 481,548.80

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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.