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Finding the Fourth Proportional to 1,334.04, 2,000.66 and 814.02

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Solution

The fourth proportional to 1,334.04, 2,000.66 and 814.02 is: 1,220.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.04 : 2,000.66 = 814.02 : x
  2. Step 2: Convert to fraction form
    1,334.04/2,000.66 = 814.02/x
  3. Step 3: Cross multiply
    1,334.04x = 2,000.66 × 814.02
  4. Step 4: Simplify right side
    1,334.04x = 1,628,573.18
  5. Step 5: Solve for x
    x = 1,628,573.18/1,334.04
  6. Step 6: Final answer
    x = 1,220.78

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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.