Home / 1,109.45-1,532.27-1,023.33

Finding the Fourth Proportional to 1,109.45, 1,532.27 and 1,023.33

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Solution

The fourth proportional to 1,109.45, 1,532.27 and 1,023.33 is: 1,413.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109.45 : 1,532.27 = 1,023.33 : x
  2. Step 2: Convert to fraction form
    1,109.45/1,532.27 = 1,023.33/x
  3. Step 3: Cross multiply
    1,109.45x = 1,532.27 × 1,023.33
  4. Step 4: Simplify right side
    1,109.45x = 1,568,020.41
  5. Step 5: Solve for x
    x = 1,568,020.41/1,109.45
  6. Step 6: Final answer
    x = 1,413.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.