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Finding the Fourth Proportional to 1,199.68, 1,800.04 and 583.92

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Solution

The fourth proportional to 1,199.68, 1,800.04 and 583.92 is: 876.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199.68 : 1,800.04 = 583.92 : x
  2. Step 2: Convert to fraction form
    1,199.68/1,800.04 = 583.92/x
  3. Step 3: Cross multiply
    1,199.68x = 1,800.04 × 583.92
  4. Step 4: Simplify right side
    1,199.68x = 1,051,079.36
  5. Step 5: Solve for x
    x = 1,051,079.36/1,199.68
  6. Step 6: Final answer
    x = 876.13

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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.