Home / 1,246,450-1,868,198.74-571,962.78

Finding the Fourth Proportional to 1,246,450, 1,868,198.74 and 571,962.78

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Solution

The fourth proportional to 1,246,450, 1,868,198.74 and 571,962.78 is: 857,266.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,450 : 1,868,198.74 = 571,962.78 : x
  2. Step 2: Convert to fraction form
    1,246,450/1,868,198.74 = 571,962.78/x
  3. Step 3: Cross multiply
    1,246,450x = 1,868,198.74 × 571,962.78
  4. Step 4: Simplify right side
    1,246,450x = 1,068,540,144,922.90
  5. Step 5: Solve for x
    x = 1,068,540,144,922.90/1,246,450
  6. Step 6: Final answer
    x = 857,266.75

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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.