Home / 1,215,224.60-1,821,962.10-682,908.80

Finding the Fourth Proportional to 1,215,224.60, 1,821,962.10 and 682,908.80

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Solution

The fourth proportional to 1,215,224.60, 1,821,962.10 and 682,908.80 is: 1,023,871.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,224.60 : 1,821,962.10 = 682,908.80 : x
  2. Step 2: Convert to fraction form
    1,215,224.60/1,821,962.10 = 682,908.80/x
  3. Step 3: Cross multiply
    1,215,224.60x = 1,821,962.10 × 682,908.80
  4. Step 4: Simplify right side
    1,215,224.60x = 1,244,233,951,356.48
  5. Step 5: Solve for x
    x = 1,244,233,951,356.48/1,215,224.60
  6. Step 6: Final answer
    x = 1,023,871.60

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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.