Home / 1,126,618.43-1,554,734.21-667,959.26

Finding the Fourth Proportional to 1,126,618.43, 1,554,734.21 and 667,959.26

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Solution

The fourth proportional to 1,126,618.43, 1,554,734.21 and 667,959.26 is: 921,784.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,618.43 : 1,554,734.21 = 667,959.26 : x
  2. Step 2: Convert to fraction form
    1,126,618.43/1,554,734.21 = 667,959.26/x
  3. Step 3: Cross multiply
    1,126,618.43x = 1,554,734.21 × 667,959.26
  4. Step 4: Simplify right side
    1,126,618.43x = 1,038,499,101,294.82
  5. Step 5: Solve for x
    x = 1,038,499,101,294.82/1,126,618.43
  6. Step 6: Final answer
    x = 921,784.23

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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.