Home / 1,334,692.18-2,002,379.53-388,062.90

Finding the Fourth Proportional to 1,334,692.18, 2,002,379.53 and 388,062.90

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Solution

The fourth proportional to 1,334,692.18, 2,002,379.53 and 388,062.90 is: 582,193.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,692.18 : 2,002,379.53 = 388,062.90 : x
  2. Step 2: Convert to fraction form
    1,334,692.18/2,002,379.53 = 388,062.90/x
  3. Step 3: Cross multiply
    1,334,692.18x = 2,002,379.53 × 388,062.90
  4. Step 4: Simplify right side
    1,334,692.18x = 777,049,206,342.28
  5. Step 5: Solve for x
    x = 777,049,206,342.28/1,334,692.18
  6. Step 6: Final answer
    x = 582,193.57

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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.