Home / 1,334,692.43-2,002,379.90-388,063.15

Finding the Fourth Proportional to 1,334,692.43, 2,002,379.90 and 388,063.15

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Solution

The fourth proportional to 1,334,692.43, 2,002,379.90 and 388,063.15 is: 582,193.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,692.43 : 2,002,379.90 = 388,063.15 : x
  2. Step 2: Convert to fraction form
    1,334,692.43/2,002,379.90 = 388,063.15/x
  3. Step 3: Cross multiply
    1,334,692.43x = 2,002,379.90 × 388,063.15
  4. Step 4: Simplify right side
    1,334,692.43x = 777,049,851,490.69
  5. Step 5: Solve for x
    x = 777,049,851,490.69/1,334,692.43
  6. Step 6: Final answer
    x = 582,193.95

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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.