Home / 1,029,028.65-1,542,944.57-389,381.78

Finding the Fourth Proportional to 1,029,028.65, 1,542,944.57 and 389,381.78

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Solution

The fourth proportional to 1,029,028.65, 1,542,944.57 and 389,381.78 is: 583,846.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,028.65 : 1,542,944.57 = 389,381.78 : x
  2. Step 2: Convert to fraction form
    1,029,028.65/1,542,944.57 = 389,381.78/x
  3. Step 3: Cross multiply
    1,029,028.65x = 1,542,944.57 × 389,381.78
  4. Step 4: Simplify right side
    1,029,028.65x = 600,794,493,446.30
  5. Step 5: Solve for x
    x = 600,794,493,446.30/1,029,028.65
  6. Step 6: Final answer
    x = 583,846.23

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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.