Home / 1,608,836.20-2,413,217.40-809,903.20

Finding the Fourth Proportional to 1,608,836.20, 2,413,217.40 and 809,903.20

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Solution

The fourth proportional to 1,608,836.20, 2,413,217.40 and 809,903.20 is: 1,214,836.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,836.20 : 2,413,217.40 = 809,903.20 : x
  2. Step 2: Convert to fraction form
    1,608,836.20/2,413,217.40 = 809,903.20/x
  3. Step 3: Cross multiply
    1,608,836.20x = 2,413,217.40 × 809,903.20
  4. Step 4: Simplify right side
    1,608,836.20x = 1,954,472,494,555.68
  5. Step 5: Solve for x
    x = 1,954,472,494,555.68/1,608,836.20
  6. Step 6: Final answer
    x = 1,214,836.22

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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.