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Finding the Fourth Proportional to 1,225.98, 1,837.56 and 610.11

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Solution

The fourth proportional to 1,225.98, 1,837.56 and 610.11 is: 914.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225.98 : 1,837.56 = 610.11 : x
  2. Step 2: Convert to fraction form
    1,225.98/1,837.56 = 610.11/x
  3. Step 3: Cross multiply
    1,225.98x = 1,837.56 × 610.11
  4. Step 4: Simplify right side
    1,225.98x = 1,121,113.73
  5. Step 5: Solve for x
    x = 1,121,113.73/1,225.98
  6. Step 6: Final answer
    x = 914.46

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.