Home / 1,340,481.26-2,012,154.24-542,284.58

Finding the Fourth Proportional to 1,340,481.26, 2,012,154.24 and 542,284.58

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Solution

The fourth proportional to 1,340,481.26, 2,012,154.24 and 542,284.58 is: 814,006.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,481.26 : 2,012,154.24 = 542,284.58 : x
  2. Step 2: Convert to fraction form
    1,340,481.26/2,012,154.24 = 542,284.58/x
  3. Step 3: Cross multiply
    1,340,481.26x = 2,012,154.24 × 542,284.58
  4. Step 4: Simplify right side
    1,340,481.26x = 1,091,160,216,933.62
  5. Step 5: Solve for x
    x = 1,091,160,216,933.62/1,340,481.26
  6. Step 6: Final answer
    x = 814,006.32

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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.