Home / 1,069,284.38-1,603,912.73-259,675.43

Finding the Fourth Proportional to 1,069,284.38, 1,603,912.73 and 259,675.43

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Solution

The fourth proportional to 1,069,284.38, 1,603,912.73 and 259,675.43 is: 389,509.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,284.38 : 1,603,912.73 = 259,675.43 : x
  2. Step 2: Convert to fraction form
    1,069,284.38/1,603,912.73 = 259,675.43/x
  3. Step 3: Cross multiply
    1,069,284.38x = 1,603,912.73 × 259,675.43
  4. Step 4: Simplify right side
    1,069,284.38x = 416,496,718,527.28
  5. Step 5: Solve for x
    x = 416,496,718,527.28/1,069,284.38
  6. Step 6: Final answer
    x = 389,509.78

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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.