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Finding the Fourth Proportional to 1,126,662, 1,554,793.56 and 649,734

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Solution

The fourth proportional to 1,126,662, 1,554,793.56 and 649,734 is: 896,632.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,662 : 1,554,793.56 = 649,734 : x
  2. Step 2: Convert to fraction form
    1,126,662/1,554,793.56 = 649,734/x
  3. Step 3: Cross multiply
    1,126,662x = 1,554,793.56 × 649,734
  4. Step 4: Simplify right side
    1,126,662x = 1,010,202,238,913.04
  5. Step 5: Solve for x
    x = 1,010,202,238,913.04/1,126,662
  6. Step 6: Final answer
    x = 896,632.92

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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.