Home / 1,387,067.60-2,081,119.80-546,205.52

Finding the Fourth Proportional to 1,387,067.60, 2,081,119.80 and 546,205.52

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Solution

The fourth proportional to 1,387,067.60, 2,081,119.80 and 546,205.52 is: 819,512.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,067.60 : 2,081,119.80 = 546,205.52 : x
  2. Step 2: Convert to fraction form
    1,387,067.60/2,081,119.80 = 546,205.52/x
  3. Step 3: Cross multiply
    1,387,067.60x = 2,081,119.80 × 546,205.52
  4. Step 4: Simplify right side
    1,387,067.60x = 1,136,719,122,541.30
  5. Step 5: Solve for x
    x = 1,136,719,122,541.30/1,387,067.60
  6. Step 6: Final answer
    x = 819,512.42

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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.