Home / 1,215,191.60-1,821,912.60-682,875.80

Finding the Fourth Proportional to 1,215,191.60, 1,821,912.60 and 682,875.80

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Solution

The fourth proportional to 1,215,191.60, 1,821,912.60 and 682,875.80 is: 1,023,822.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,191.60 : 1,821,912.60 = 682,875.80 : x
  2. Step 2: Convert to fraction form
    1,215,191.60/1,821,912.60 = 682,875.80/x
  3. Step 3: Cross multiply
    1,215,191.60x = 1,821,912.60 × 682,875.80
  4. Step 4: Simplify right side
    1,215,191.60x = 1,244,140,024,255.08
  5. Step 5: Solve for x
    x = 1,244,140,024,255.08/1,215,191.60
  6. Step 6: Final answer
    x = 1,023,822.11

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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.