Home / 1,628,337.80-2,442,069.30-681,512.60

Finding the Fourth Proportional to 1,628,337.80, 2,442,069.30 and 681,512.60

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Solution

The fourth proportional to 1,628,337.80, 2,442,069.30 and 681,512.60 is: 1,022,085.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,337.80 : 2,442,069.30 = 681,512.60 : x
  2. Step 2: Convert to fraction form
    1,628,337.80/2,442,069.30 = 681,512.60/x
  3. Step 3: Cross multiply
    1,628,337.80x = 2,442,069.30 × 681,512.60
  4. Step 4: Simplify right side
    1,628,337.80x = 1,664,300,998,023.18
  5. Step 5: Solve for x
    x = 1,664,300,998,023.18/1,628,337.80
  6. Step 6: Final answer
    x = 1,022,085.83

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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.