Home / 1,692,921.78-2,336,230.80-967,785.48

Finding the Fourth Proportional to 1,692,921.78, 2,336,230.80 and 967,785.48

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Solution

The fourth proportional to 1,692,921.78, 2,336,230.80 and 967,785.48 is: 1,335,543.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,921.78 : 2,336,230.80 = 967,785.48 : x
  2. Step 2: Convert to fraction form
    1,692,921.78/2,336,230.80 = 967,785.48/x
  3. Step 3: Cross multiply
    1,692,921.78x = 2,336,230.80 × 967,785.48
  4. Step 4: Simplify right side
    1,692,921.78x = 2,260,970,246,168.78
  5. Step 5: Solve for x
    x = 2,260,970,246,168.78/1,692,921.78
  6. Step 6: Final answer
    x = 1,335,543.24

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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.