Home / 1,639,990.40-2,460,446.40-798,569.60

Finding the Fourth Proportional to 1,639,990.40, 2,460,446.40 and 798,569.60

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Solution

The fourth proportional to 1,639,990.40, 2,460,446.40 and 798,569.60 is: 1,198,078.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,990.40 : 2,460,446.40 = 798,569.60 : x
  2. Step 2: Convert to fraction form
    1,639,990.40/2,460,446.40 = 798,569.60/x
  3. Step 3: Cross multiply
    1,639,990.40x = 2,460,446.40 × 798,569.60
  4. Step 4: Simplify right side
    1,639,990.40x = 1,964,837,697,469.44
  5. Step 5: Solve for x
    x = 1,964,837,697,469.44/1,639,990.40
  6. Step 6: Final answer
    x = 1,198,078.78

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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.