Home / 1,214,192.20-1,820,121.90-944,170.60

Finding the Fourth Proportional to 1,214,192.20, 1,820,121.90 and 944,170.60

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Solution

The fourth proportional to 1,214,192.20, 1,820,121.90 and 944,170.60 is: 1,415,348.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,192.20 : 1,820,121.90 = 944,170.60 : x
  2. Step 2: Convert to fraction form
    1,214,192.20/1,820,121.90 = 944,170.60/x
  3. Step 3: Cross multiply
    1,214,192.20x = 1,820,121.90 × 944,170.60
  4. Step 4: Simplify right side
    1,214,192.20x = 1,718,505,586,396.14
  5. Step 5: Solve for x
    x = 1,718,505,586,396.14/1,214,192.20
  6. Step 6: Final answer
    x = 1,415,348.89

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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.