Home / 1,340,758.20-2,008,512.90-806,692.80

Finding the Fourth Proportional to 1,340,758.20, 2,008,512.90 and 806,692.80

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Solution

The fourth proportional to 1,340,758.20, 2,008,512.90 and 806,692.80 is: 1,208,460.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,758.20 : 2,008,512.90 = 806,692.80 : x
  2. Step 2: Convert to fraction form
    1,340,758.20/2,008,512.90 = 806,692.80/x
  3. Step 3: Cross multiply
    1,340,758.20x = 2,008,512.90 × 806,692.80
  4. Step 4: Simplify right side
    1,340,758.20x = 1,620,252,895,137.12
  5. Step 5: Solve for x
    x = 1,620,252,895,137.12/1,340,758.20
  6. Step 6: Final answer
    x = 1,208,460.18

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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.