Home / 1,128,168.56-1,692,371.49-329,452.34

Finding the Fourth Proportional to 1,128,168.56, 1,692,371.49 and 329,452.34

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Solution

The fourth proportional to 1,128,168.56, 1,692,371.49 and 329,452.34 is: 494,213.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,168.56 : 1,692,371.49 = 329,452.34 : x
  2. Step 2: Convert to fraction form
    1,128,168.56/1,692,371.49 = 329,452.34/x
  3. Step 3: Cross multiply
    1,128,168.56x = 1,692,371.49 × 329,452.34
  4. Step 4: Simplify right side
    1,128,168.56x = 557,555,747,529.79
  5. Step 5: Solve for x
    x = 557,555,747,529.79/1,128,168.56
  6. Step 6: Final answer
    x = 494,213.16

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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.