Home / 1,127,542.16-1,691,149.20-328,609.19

Finding the Fourth Proportional to 1,127,542.16, 1,691,149.20 and 328,609.19

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Solution

The fourth proportional to 1,127,542.16, 1,691,149.20 and 328,609.19 is: 492,865.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,542.16 : 1,691,149.20 = 328,609.19 : x
  2. Step 2: Convert to fraction form
    1,127,542.16/1,691,149.20 = 328,609.19/x
  3. Step 3: Cross multiply
    1,127,542.16x = 1,691,149.20 × 328,609.19
  4. Step 4: Simplify right side
    1,127,542.16x = 555,727,160,325.40
  5. Step 5: Solve for x
    x = 555,727,160,325.40/1,127,542.16
  6. Step 6: Final answer
    x = 492,865.97

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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.