Home / 1,217,778.12-1,681,360.74-759,076.20

Finding the Fourth Proportional to 1,217,778.12, 1,681,360.74 and 759,076.20

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Solution

The fourth proportional to 1,217,778.12, 1,681,360.74 and 759,076.20 is: 1,048,040.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,778.12 : 1,681,360.74 = 759,076.20 : x
  2. Step 2: Convert to fraction form
    1,217,778.12/1,681,360.74 = 759,076.20/x
  3. Step 3: Cross multiply
    1,217,778.12x = 1,681,360.74 × 759,076.20
  4. Step 4: Simplify right side
    1,217,778.12x = 1,276,280,921,348.39
  5. Step 5: Solve for x
    x = 1,276,280,921,348.39/1,217,778.12
  6. Step 6: Final answer
    x = 1,048,040.61

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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.