Home / 1,199.53-1,795.95-613.27

Finding the Fourth Proportional to 1,199.53, 1,795.95 and 613.27

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Solution

The fourth proportional to 1,199.53, 1,795.95 and 613.27 is: 918.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199.53 : 1,795.95 = 613.27 : x
  2. Step 2: Convert to fraction form
    1,199.53/1,795.95 = 613.27/x
  3. Step 3: Cross multiply
    1,199.53x = 1,795.95 × 613.27
  4. Step 4: Simplify right side
    1,199.53x = 1,101,402.26
  5. Step 5: Solve for x
    x = 1,101,402.26/1,199.53
  6. Step 6: Final answer
    x = 918.19

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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.