Home / 1,375,972.20-2,059,292.70-1,208,010.60

Finding the Fourth Proportional to 1,375,972.20, 2,059,292.70 and 1,208,010.60

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Solution

The fourth proportional to 1,375,972.20, 2,059,292.70 and 1,208,010.60 is: 1,807,919.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,972.20 : 2,059,292.70 = 1,208,010.60 : x
  2. Step 2: Convert to fraction form
    1,375,972.20/2,059,292.70 = 1,208,010.60/x
  3. Step 3: Cross multiply
    1,375,972.20x = 2,059,292.70 × 1,208,010.60
  4. Step 4: Simplify right side
    1,375,972.20x = 2,487,647,410,102.62
  5. Step 5: Solve for x
    x = 2,487,647,410,102.62/1,375,972.20
  6. Step 6: Final answer
    x = 1,807,919.82

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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.