Home / 1,258,668.80-1,888,659.30-548,768.60

Finding the Fourth Proportional to 1,258,668.80, 1,888,659.30 and 548,768.60

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Solution

The fourth proportional to 1,258,668.80, 1,888,659.30 and 548,768.60 is: 823,438.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,668.80 : 1,888,659.30 = 548,768.60 : x
  2. Step 2: Convert to fraction form
    1,258,668.80/1,888,659.30 = 548,768.60/x
  3. Step 3: Cross multiply
    1,258,668.80x = 1,888,659.30 × 548,768.60
  4. Step 4: Simplify right side
    1,258,668.80x = 1,036,436,919,937.98
  5. Step 5: Solve for x
    x = 1,036,436,919,937.98/1,258,668.80
  6. Step 6: Final answer
    x = 823,438.95

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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.