Home / 1,359,824.80-2,040,028.80-413,291.20

Finding the Fourth Proportional to 1,359,824.80, 2,040,028.80 and 413,291.20

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Solution

The fourth proportional to 1,359,824.80, 2,040,028.80 and 413,291.20 is: 620,025.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,824.80 : 2,040,028.80 = 413,291.20 : x
  2. Step 2: Convert to fraction form
    1,359,824.80/2,040,028.80 = 413,291.20/x
  3. Step 3: Cross multiply
    1,359,824.80x = 2,040,028.80 × 413,291.20
  4. Step 4: Simplify right side
    1,359,824.80x = 843,125,950,786.56
  5. Step 5: Solve for x
    x = 843,125,950,786.56/1,359,824.80
  6. Step 6: Final answer
    x = 620,025.43

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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.