Home / 1,066,942.80-1,600,414.20-268,250.40

Finding the Fourth Proportional to 1,066,942.80, 1,600,414.20 and 268,250.40

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Solution

The fourth proportional to 1,066,942.80, 1,600,414.20 and 268,250.40 is: 402,375.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,942.80 : 1,600,414.20 = 268,250.40 : x
  2. Step 2: Convert to fraction form
    1,066,942.80/1,600,414.20 = 268,250.40/x
  3. Step 3: Cross multiply
    1,066,942.80x = 1,600,414.20 × 268,250.40
  4. Step 4: Simplify right side
    1,066,942.80x = 429,311,749,315.68
  5. Step 5: Solve for x
    x = 429,311,749,315.68/1,066,942.80
  6. Step 6: Final answer
    x = 402,375.60

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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.