Home / 1,196,188.76-1,649,486.43-787,768.94

Finding the Fourth Proportional to 1,196,188.76, 1,649,486.43 and 787,768.94

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Solution

The fourth proportional to 1,196,188.76, 1,649,486.43 and 787,768.94 is: 1,086,295.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,188.76 : 1,649,486.43 = 787,768.94 : x
  2. Step 2: Convert to fraction form
    1,196,188.76/1,649,486.43 = 787,768.94/x
  3. Step 3: Cross multiply
    1,196,188.76x = 1,649,486.43 × 787,768.94
  4. Step 4: Simplify right side
    1,196,188.76x = 1,299,414,180,629.20
  5. Step 5: Solve for x
    x = 1,299,414,180,629.20/1,196,188.76
  6. Step 6: Final answer
    x = 1,086,295.26

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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.