Home / 1,661,267.60-2,491,901.40-1,129,826.60

Finding the Fourth Proportional to 1,661,267.60, 2,491,901.40 and 1,129,826.60

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Solution

The fourth proportional to 1,661,267.60, 2,491,901.40 and 1,129,826.60 is: 1,694,739.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,267.60 : 2,491,901.40 = 1,129,826.60 : x
  2. Step 2: Convert to fraction form
    1,661,267.60/2,491,901.40 = 1,129,826.60/x
  3. Step 3: Cross multiply
    1,661,267.60x = 2,491,901.40 × 1,129,826.60
  4. Step 4: Simplify right side
    1,661,267.60x = 2,815,416,486,297.24
  5. Step 5: Solve for x
    x = 2,815,416,486,297.24/1,661,267.60
  6. Step 6: Final answer
    x = 1,694,739.90

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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.