Home / 1,340,479.26-2,012,151.24-542,282.58

Finding the Fourth Proportional to 1,340,479.26, 2,012,151.24 and 542,282.58

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Solution

The fourth proportional to 1,340,479.26, 2,012,151.24 and 542,282.58 is: 814,003.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,479.26 : 2,012,151.24 = 542,282.58 : x
  2. Step 2: Convert to fraction form
    1,340,479.26/2,012,151.24 = 542,282.58/x
  3. Step 3: Cross multiply
    1,340,479.26x = 2,012,151.24 × 542,282.58
  4. Step 4: Simplify right side
    1,340,479.26x = 1,091,154,565,777.40
  5. Step 5: Solve for x
    x = 1,091,154,565,777.40/1,340,479.26
  6. Step 6: Final answer
    x = 814,003.32

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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.