Home / 1,226.69-1,839.89-532.99

Finding the Fourth Proportional to 1,226.69, 1,839.89 and 532.99

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Solution

The fourth proportional to 1,226.69, 1,839.89 and 532.99 is: 799.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226.69 : 1,839.89 = 532.99 : x
  2. Step 2: Convert to fraction form
    1,226.69/1,839.89 = 532.99/x
  3. Step 3: Cross multiply
    1,226.69x = 1,839.89 × 532.99
  4. Step 4: Simplify right side
    1,226.69x = 980,639.70
  5. Step 5: Solve for x
    x = 980,639.70/1,226.69
  6. Step 6: Final answer
    x = 799.42

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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.