Home / 1,391,988.60-2,087,995.23-550,540.44

Finding the Fourth Proportional to 1,391,988.60, 2,087,995.23 and 550,540.44

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Solution

The fourth proportional to 1,391,988.60, 2,087,995.23 and 550,540.44 is: 825,815.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,988.60 : 2,087,995.23 = 550,540.44 : x
  2. Step 2: Convert to fraction form
    1,391,988.60/2,087,995.23 = 550,540.44/x
  3. Step 3: Cross multiply
    1,391,988.60x = 2,087,995.23 × 550,540.44
  4. Step 4: Simplify right side
    1,391,988.60x = 1,149,525,812,642.10
  5. Step 5: Solve for x
    x = 1,149,525,812,642.10/1,391,988.60
  6. Step 6: Final answer
    x = 825,815.54

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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.