Home / 1,222.98-1,834.65-573.78

Finding the Fourth Proportional to 1,222.98, 1,834.65 and 573.78

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Solution

The fourth proportional to 1,222.98, 1,834.65 and 573.78 is: 860.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222.98 : 1,834.65 = 573.78 : x
  2. Step 2: Convert to fraction form
    1,222.98/1,834.65 = 573.78/x
  3. Step 3: Cross multiply
    1,222.98x = 1,834.65 × 573.78
  4. Step 4: Simplify right side
    1,222.98x = 1,052,685.48
  5. Step 5: Solve for x
    x = 1,052,685.48/1,222.98
  6. Step 6: Final answer
    x = 860.75

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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.