Home / 1,797,961.32-2,481,076.44-981,999.72

Finding the Fourth Proportional to 1,797,961.32, 2,481,076.44 and 981,999.72

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Solution

The fourth proportional to 1,797,961.32, 2,481,076.44 and 981,999.72 is: 1,355,099.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797,961.32 : 2,481,076.44 = 981,999.72 : x
  2. Step 2: Convert to fraction form
    1,797,961.32/2,481,076.44 = 981,999.72/x
  3. Step 3: Cross multiply
    1,797,961.32x = 2,481,076.44 × 981,999.72
  4. Step 4: Simplify right side
    1,797,961.32x = 2,436,416,369,378.60
  5. Step 5: Solve for x
    x = 2,436,416,369,378.60/1,797,961.32
  6. Step 6: Final answer
    x = 1,355,099.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.