Home / 1,510,229.20-2,084,164.68-865,771.60

Finding the Fourth Proportional to 1,510,229.20, 2,084,164.68 and 865,771.60

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Solution

The fourth proportional to 1,510,229.20, 2,084,164.68 and 865,771.60 is: 1,194,792.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,229.20 : 2,084,164.68 = 865,771.60 : x
  2. Step 2: Convert to fraction form
    1,510,229.20/2,084,164.68 = 865,771.60/x
  3. Step 3: Cross multiply
    1,510,229.20x = 2,084,164.68 × 865,771.60
  4. Step 4: Simplify right side
    1,510,229.20x = 1,804,410,589,667.09
  5. Step 5: Solve for x
    x = 1,804,410,589,667.09/1,510,229.20
  6. Step 6: Final answer
    x = 1,194,792.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.