Home / 1,334,761.80-2,002,142.70-1,245,532.20

Finding the Fourth Proportional to 1,334,761.80, 2,002,142.70 and 1,245,532.20

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Solution

The fourth proportional to 1,334,761.80, 2,002,142.70 and 1,245,532.20 is: 1,868,298.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,761.80 : 2,002,142.70 = 1,245,532.20 : x
  2. Step 2: Convert to fraction form
    1,334,761.80/2,002,142.70 = 1,245,532.20/x
  3. Step 3: Cross multiply
    1,334,761.80x = 2,002,142.70 × 1,245,532.20
  4. Step 4: Simplify right side
    1,334,761.80x = 2,493,733,201,844.94
  5. Step 5: Solve for x
    x = 2,493,733,201,844.94/1,334,761.80
  6. Step 6: Final answer
    x = 1,868,298.30

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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.