Home / 1,360,112.76-1,876,839.48-787,188.24

Finding the Fourth Proportional to 1,360,112.76, 1,876,839.48 and 787,188.24

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Solution

The fourth proportional to 1,360,112.76, 1,876,839.48 and 787,188.24 is: 1,086,252.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,112.76 : 1,876,839.48 = 787,188.24 : x
  2. Step 2: Convert to fraction form
    1,360,112.76/1,876,839.48 = 787,188.24/x
  3. Step 3: Cross multiply
    1,360,112.76x = 1,876,839.48 × 787,188.24
  4. Step 4: Simplify right side
    1,360,112.76x = 1,477,425,967,023.72
  5. Step 5: Solve for x
    x = 1,477,425,967,023.72/1,360,112.76
  6. Step 6: Final answer
    x = 1,086,252.56

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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.