Home / 986,425.46-1,361,239.56-556,745.57

Finding the Fourth Proportional to 986,425.46, 1,361,239.56 and 556,745.57

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Solution

The fourth proportional to 986,425.46, 1,361,239.56 and 556,745.57 is: 768,293.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,425.46 : 1,361,239.56 = 556,745.57 : x
  2. Step 2: Convert to fraction form
    986,425.46/1,361,239.56 = 556,745.57/x
  3. Step 3: Cross multiply
    986,425.46x = 1,361,239.56 × 556,745.57
  4. Step 4: Simplify right side
    986,425.46x = 757,864,093,037.20
  5. Step 5: Solve for x
    x = 757,864,093,037.20/986,425.46
  6. Step 6: Final answer
    x = 768,293.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.