Home / 1,294,850.60-1,942,275.90-1,286,556.20

Finding the Fourth Proportional to 1,294,850.60, 1,942,275.90 and 1,286,556.20

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Solution

The fourth proportional to 1,294,850.60, 1,942,275.90 and 1,286,556.20 is: 1,929,834.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,850.60 : 1,942,275.90 = 1,286,556.20 : x
  2. Step 2: Convert to fraction form
    1,294,850.60/1,942,275.90 = 1,286,556.20/x
  3. Step 3: Cross multiply
    1,294,850.60x = 1,942,275.90 × 1,286,556.20
  4. Step 4: Simplify right side
    1,294,850.60x = 2,498,847,101,255.58
  5. Step 5: Solve for x
    x = 2,498,847,101,255.58/1,294,850.60
  6. Step 6: Final answer
    x = 1,929,834.30

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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.