Home / 1,220.67-1,829.45-569.97

Finding the Fourth Proportional to 1,220.67, 1,829.45 and 569.97

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Solution

The fourth proportional to 1,220.67, 1,829.45 and 569.97 is: 854.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220.67 : 1,829.45 = 569.97 : x
  2. Step 2: Convert to fraction form
    1,220.67/1,829.45 = 569.97/x
  3. Step 3: Cross multiply
    1,220.67x = 1,829.45 × 569.97
  4. Step 4: Simplify right side
    1,220.67x = 1,042,728.77
  5. Step 5: Solve for x
    x = 1,042,728.77/1,220.67
  6. Step 6: Final answer
    x = 854.23

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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.