Home / 781,118-1,171,677.24-190,142

Finding the Fourth Proportional to 781,118, 1,171,677.24 and 190,142

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Solution

The fourth proportional to 781,118, 1,171,677.24 and 190,142 is: 285,213.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,118 : 1,171,677.24 = 190,142 : x
  2. Step 2: Convert to fraction form
    781,118/1,171,677.24 = 190,142/x
  3. Step 3: Cross multiply
    781,118x = 1,171,677.24 × 190,142
  4. Step 4: Simplify right side
    781,118x = 222,785,053,768.08
  5. Step 5: Solve for x
    x = 222,785,053,768.08/781,118
  6. Step 6: Final answer
    x = 285,213.06

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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.