Home / 1,420,906.50-2,132,411.79-672,954.66

Finding the Fourth Proportional to 1,420,906.50, 2,132,411.79 and 672,954.66

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Solution

The fourth proportional to 1,420,906.50, 2,132,411.79 and 672,954.66 is: 1,009,930.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,906.50 : 2,132,411.79 = 672,954.66 : x
  2. Step 2: Convert to fraction form
    1,420,906.50/2,132,411.79 = 672,954.66/x
  3. Step 3: Cross multiply
    1,420,906.50x = 2,132,411.79 × 672,954.66
  4. Step 4: Simplify right side
    1,420,906.50x = 1,435,016,451,119.44
  5. Step 5: Solve for x
    x = 1,435,016,451,119.44/1,420,906.50
  6. Step 6: Final answer
    x = 1,009,930.25

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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.