Home / 1,147,793.90-1,722,346.95-438,331.10

Finding the Fourth Proportional to 1,147,793.90, 1,722,346.95 and 438,331.10

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Solution

The fourth proportional to 1,147,793.90, 1,722,346.95 and 438,331.10 is: 657,747.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,793.90 : 1,722,346.95 = 438,331.10 : x
  2. Step 2: Convert to fraction form
    1,147,793.90/1,722,346.95 = 438,331.10/x
  3. Step 3: Cross multiply
    1,147,793.90x = 1,722,346.95 × 438,331.10
  4. Step 4: Simplify right side
    1,147,793.90x = 754,958,233,175.15
  5. Step 5: Solve for x
    x = 754,958,233,175.15/1,147,793.90
  6. Step 6: Final answer
    x = 657,747.21

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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.