Home / 1,512,100.40-2,268,150.60-976,722.80

Finding the Fourth Proportional to 1,512,100.40, 2,268,150.60 and 976,722.80

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Solution

The fourth proportional to 1,512,100.40, 2,268,150.60 and 976,722.80 is: 1,465,084.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,100.40 : 2,268,150.60 = 976,722.80 : x
  2. Step 2: Convert to fraction form
    1,512,100.40/2,268,150.60 = 976,722.80/x
  3. Step 3: Cross multiply
    1,512,100.40x = 2,268,150.60 × 976,722.80
  4. Step 4: Simplify right side
    1,512,100.40x = 2,215,354,404,853.68
  5. Step 5: Solve for x
    x = 2,215,354,404,853.68/1,512,100.40
  6. Step 6: Final answer
    x = 1,465,084.20

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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.