Home / 1,222.59-1,834.17-492.93

Finding the Fourth Proportional to 1,222.59, 1,834.17 and 492.93

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Solution

The fourth proportional to 1,222.59, 1,834.17 and 492.93 is: 739.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222.59 : 1,834.17 = 492.93 : x
  2. Step 2: Convert to fraction form
    1,222.59/1,834.17 = 492.93/x
  3. Step 3: Cross multiply
    1,222.59x = 1,834.17 × 492.93
  4. Step 4: Simplify right side
    1,222.59x = 904,117.42
  5. Step 5: Solve for x
    x = 904,117.42/1,222.59
  6. Step 6: Final answer
    x = 739.51

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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.