Home / 1,071,920.96-1,608,548.02-667,906.43

Finding the Fourth Proportional to 1,071,920.96, 1,608,548.02 and 667,906.43

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Solution

The fourth proportional to 1,071,920.96, 1,608,548.02 and 667,906.43 is: 1,002,274.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,920.96 : 1,608,548.02 = 667,906.43 : x
  2. Step 2: Convert to fraction form
    1,071,920.96/1,608,548.02 = 667,906.43/x
  3. Step 3: Cross multiply
    1,071,920.96x = 1,608,548.02 × 667,906.43
  4. Step 4: Simplify right side
    1,071,920.96x = 1,074,359,555,809.26
  5. Step 5: Solve for x
    x = 1,074,359,555,809.26/1,071,920.96
  6. Step 6: Final answer
    x = 1,002,274.98

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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.