Home / 1,512,145.20-2,268,217.80-514,873.20

Finding the Fourth Proportional to 1,512,145.20, 2,268,217.80 and 514,873.20

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Solution

The fourth proportional to 1,512,145.20, 2,268,217.80 and 514,873.20 is: 772,309.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,145.20 : 2,268,217.80 = 514,873.20 : x
  2. Step 2: Convert to fraction form
    1,512,145.20/2,268,217.80 = 514,873.20/x
  3. Step 3: Cross multiply
    1,512,145.20x = 2,268,217.80 × 514,873.20
  4. Step 4: Simplify right side
    1,512,145.20x = 1,167,844,556,982.96
  5. Step 5: Solve for x
    x = 1,167,844,556,982.96/1,512,145.20
  6. Step 6: Final answer
    x = 772,309.80

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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.