Home / 1,069,240.80-1,603,863.27-259,621.82

Finding the Fourth Proportional to 1,069,240.80, 1,603,863.27 and 259,621.82

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Solution

The fourth proportional to 1,069,240.80, 1,603,863.27 and 259,621.82 is: 389,433.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,240.80 : 1,603,863.27 = 259,621.82 : x
  2. Step 2: Convert to fraction form
    1,069,240.80/1,603,863.27 = 259,621.82/x
  3. Step 3: Cross multiply
    1,069,240.80x = 1,603,863.27 × 259,621.82
  4. Step 4: Simplify right side
    1,069,240.80x = 416,397,901,188.55
  5. Step 5: Solve for x
    x = 416,397,901,188.55/1,069,240.80
  6. Step 6: Final answer
    x = 389,433.23

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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.