Home / 1,299.04-1,949.40-568.68

Finding the Fourth Proportional to 1,299.04, 1,949.40 and 568.68

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Solution

The fourth proportional to 1,299.04, 1,949.40 and 568.68 is: 853.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299.04 : 1,949.40 = 568.68 : x
  2. Step 2: Convert to fraction form
    1,299.04/1,949.40 = 568.68/x
  3. Step 3: Cross multiply
    1,299.04x = 1,949.40 × 568.68
  4. Step 4: Simplify right side
    1,299.04x = 1,108,584.79
  5. Step 5: Solve for x
    x = 1,108,584.79/1,299.04
  6. Step 6: Final answer
    x = 853.39

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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.