Home / 1,368,414.20-2,051,238.90-620,996.60

Finding the Fourth Proportional to 1,368,414.20, 2,051,238.90 and 620,996.60

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Solution

The fourth proportional to 1,368,414.20, 2,051,238.90 and 620,996.60 is: 930,867.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,414.20 : 2,051,238.90 = 620,996.60 : x
  2. Step 2: Convert to fraction form
    1,368,414.20/2,051,238.90 = 620,996.60/x
  3. Step 3: Cross multiply
    1,368,414.20x = 2,051,238.90 × 620,996.60
  4. Step 4: Simplify right side
    1,368,414.20x = 1,273,812,382,687.74
  5. Step 5: Solve for x
    x = 1,273,812,382,687.74/1,368,414.20
  6. Step 6: Final answer
    x = 930,867.56

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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.