Home / 681,018.54-1,021,173.06-254,203.38

Finding the Fourth Proportional to 681,018.54, 1,021,173.06 and 254,203.38

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Solution

The fourth proportional to 681,018.54, 1,021,173.06 and 254,203.38 is: 381,172.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,018.54 : 1,021,173.06 = 254,203.38 : x
  2. Step 2: Convert to fraction form
    681,018.54/1,021,173.06 = 254,203.38/x
  3. Step 3: Cross multiply
    681,018.54x = 1,021,173.06 × 254,203.38
  4. Step 4: Simplify right side
    681,018.54x = 259,585,643,416.94
  5. Step 5: Solve for x
    x = 259,585,643,416.94/681,018.54
  6. Step 6: Final answer
    x = 381,172.65

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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.