Home / 1,100,196.61-1,649,974.76-426,127.57

Finding the Fourth Proportional to 1,100,196.61, 1,649,974.76 and 426,127.57

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Solution

The fourth proportional to 1,100,196.61, 1,649,974.76 and 426,127.57 is: 639,067.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,196.61 : 1,649,974.76 = 426,127.57 : x
  2. Step 2: Convert to fraction form
    1,100,196.61/1,649,974.76 = 426,127.57/x
  3. Step 3: Cross multiply
    1,100,196.61x = 1,649,974.76 × 426,127.57
  4. Step 4: Simplify right side
    1,100,196.61x = 703,099,730,382.54
  5. Step 5: Solve for x
    x = 703,099,730,382.54/1,100,196.61
  6. Step 6: Final answer
    x = 639,067.35

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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.