Home / 1,356,687.20-2,035,074.12-682,400.28

Finding the Fourth Proportional to 1,356,687.20, 2,035,074.12 and 682,400.28

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Solution

The fourth proportional to 1,356,687.20, 2,035,074.12 and 682,400.28 is: 1,023,622.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,687.20 : 2,035,074.12 = 682,400.28 : x
  2. Step 2: Convert to fraction form
    1,356,687.20/2,035,074.12 = 682,400.28/x
  3. Step 3: Cross multiply
    1,356,687.20x = 2,035,074.12 × 682,400.28
  4. Step 4: Simplify right side
    1,356,687.20x = 1,388,735,149,308.75
  5. Step 5: Solve for x
    x = 1,388,735,149,308.75/1,356,687.20
  6. Step 6: Final answer
    x = 1,023,622.21

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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.