Home / 1,078,401.92-1,616,291.04-762,949.76

Finding the Fourth Proportional to 1,078,401.92, 1,616,291.04 and 762,949.76

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Solution

The fourth proportional to 1,078,401.92, 1,616,291.04 and 762,949.76 is: 1,143,496.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,401.92 : 1,616,291.04 = 762,949.76 : x
  2. Step 2: Convert to fraction form
    1,078,401.92/1,616,291.04 = 762,949.76/x
  3. Step 3: Cross multiply
    1,078,401.92x = 1,616,291.04 × 762,949.76
  4. Step 4: Simplify right side
    1,078,401.92x = 1,233,148,861,058.15
  5. Step 5: Solve for x
    x = 1,233,148,861,058.15/1,078,401.92
  6. Step 6: Final answer
    x = 1,143,496.54

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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.