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Finding the Fourth Proportional to 1,199.83, 1,796.63 and 1,027.60

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Solution

The fourth proportional to 1,199.83, 1,796.63 and 1,027.60 is: 1,538.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199.83 : 1,796.63 = 1,027.60 : x
  2. Step 2: Convert to fraction form
    1,199.83/1,796.63 = 1,027.60/x
  3. Step 3: Cross multiply
    1,199.83x = 1,796.63 × 1,027.60
  4. Step 4: Simplify right side
    1,199.83x = 1,846,223.24
  5. Step 5: Solve for x
    x = 1,846,223.24/1,199.83
  6. Step 6: Final answer
    x = 1,538.74

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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.