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Finding the Fourth Proportional to 1,234.04, 1,851.12 and 1,017.23

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Solution

The fourth proportional to 1,234.04, 1,851.12 and 1,017.23 is: 1,525.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234.04 : 1,851.12 = 1,017.23 : x
  2. Step 2: Convert to fraction form
    1,234.04/1,851.12 = 1,017.23/x
  3. Step 3: Cross multiply
    1,234.04x = 1,851.12 × 1,017.23
  4. Step 4: Simplify right side
    1,234.04x = 1,883,005.54
  5. Step 5: Solve for x
    x = 1,883,005.54/1,234.04
  6. Step 6: Final answer
    x = 1,525.89

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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.