Home / 1,007,906.75-1,512,344.94-628,730.16

Finding the Fourth Proportional to 1,007,906.75, 1,512,344.94 and 628,730.16

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Solution

The fourth proportional to 1,007,906.75, 1,512,344.94 and 628,730.16 is: 943,397.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,906.75 : 1,512,344.94 = 628,730.16 : x
  2. Step 2: Convert to fraction form
    1,007,906.75/1,512,344.94 = 628,730.16/x
  3. Step 3: Cross multiply
    1,007,906.75x = 1,512,344.94 × 628,730.16
  4. Step 4: Simplify right side
    1,007,906.75x = 950,856,876,101.39
  5. Step 5: Solve for x
    x = 950,856,876,101.39/1,007,906.75
  6. Step 6: Final answer
    x = 943,397.67

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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.