Home / 1,676,762.78-2,313,896.02-979,163.44

Finding the Fourth Proportional to 1,676,762.78, 2,313,896.02 and 979,163.44

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Solution

The fourth proportional to 1,676,762.78, 2,313,896.02 and 979,163.44 is: 1,351,224.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,762.78 : 2,313,896.02 = 979,163.44 : x
  2. Step 2: Convert to fraction form
    1,676,762.78/2,313,896.02 = 979,163.44/x
  3. Step 3: Cross multiply
    1,676,762.78x = 2,313,896.02 × 979,163.44
  4. Step 4: Simplify right side
    1,676,762.78x = 2,265,682,378,512.86
  5. Step 5: Solve for x
    x = 2,265,682,378,512.86/1,676,762.78
  6. Step 6: Final answer
    x = 1,351,224.16

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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.