Home / 1,639,996.40-2,460,455.40-798,575.60

Finding the Fourth Proportional to 1,639,996.40, 2,460,455.40 and 798,575.60

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Solution

The fourth proportional to 1,639,996.40, 2,460,455.40 and 798,575.60 is: 1,198,087.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,996.40 : 2,460,455.40 = 798,575.60 : x
  2. Step 2: Convert to fraction form
    1,639,996.40/2,460,455.40 = 798,575.60/x
  3. Step 3: Cross multiply
    1,639,996.40x = 2,460,455.40 × 798,575.60
  4. Step 4: Simplify right side
    1,639,996.40x = 1,964,859,647,328.24
  5. Step 5: Solve for x
    x = 1,964,859,647,328.24/1,639,996.40
  6. Step 6: Final answer
    x = 1,198,087.78

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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.