Home / 1,335,997.20-2,002,246.20-1,185,531.60

Finding the Fourth Proportional to 1,335,997.20, 2,002,246.20 and 1,185,531.60

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Solution

The fourth proportional to 1,335,997.20, 2,002,246.20 and 1,185,531.60 is: 1,776,744.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,997.20 : 2,002,246.20 = 1,185,531.60 : x
  2. Step 2: Convert to fraction form
    1,335,997.20/2,002,246.20 = 1,185,531.60/x
  3. Step 3: Cross multiply
    1,335,997.20x = 2,002,246.20 × 1,185,531.60
  4. Step 4: Simplify right side
    1,335,997.20x = 2,373,726,141,079.92
  5. Step 5: Solve for x
    x = 2,373,726,141,079.92/1,335,997.20
  6. Step 6: Final answer
    x = 1,776,744.85

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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.