Home / 1,821,757.12-2,732,735.28-756,906.80

Finding the Fourth Proportional to 1,821,757.12, 2,732,735.28 and 756,906.80

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Solution

The fourth proportional to 1,821,757.12, 2,732,735.28 and 756,906.80 is: 1,135,401.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,757.12 : 2,732,735.28 = 756,906.80 : x
  2. Step 2: Convert to fraction form
    1,821,757.12/2,732,735.28 = 756,906.80/x
  3. Step 3: Cross multiply
    1,821,757.12x = 2,732,735.28 × 756,906.80
  4. Step 4: Simplify right side
    1,821,757.12x = 2,068,425,916,031.90
  5. Step 5: Solve for x
    x = 2,068,425,916,031.90/1,821,757.12
  6. Step 6: Final answer
    x = 1,135,401.58

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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.