Home / 1,226.51-1,839.77-496.60

Finding the Fourth Proportional to 1,226.51, 1,839.77 and 496.60

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Solution

The fourth proportional to 1,226.51, 1,839.77 and 496.60 is: 744.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226.51 : 1,839.77 = 496.60 : x
  2. Step 2: Convert to fraction form
    1,226.51/1,839.77 = 496.60/x
  3. Step 3: Cross multiply
    1,226.51x = 1,839.77 × 496.60
  4. Step 4: Simplify right side
    1,226.51x = 913,629.78
  5. Step 5: Solve for x
    x = 913,629.78/1,226.51
  6. Step 6: Final answer
    x = 744.90

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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.