Home / 1,512,402.78-2,268,829.63-539,691.30

Finding the Fourth Proportional to 1,512,402.78, 2,268,829.63 and 539,691.30

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Solution

The fourth proportional to 1,512,402.78, 2,268,829.63 and 539,691.30 is: 809,617.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,402.78 : 2,268,829.63 = 539,691.30 : x
  2. Step 2: Convert to fraction form
    1,512,402.78/2,268,829.63 = 539,691.30/x
  3. Step 3: Cross multiply
    1,512,402.78x = 2,268,829.63 × 539,691.30
  4. Step 4: Simplify right side
    1,512,402.78x = 1,224,467,612,493.22
  5. Step 5: Solve for x
    x = 1,224,467,612,493.22/1,512,402.78
  6. Step 6: Final answer
    x = 809,617.40

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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.