Home / 836,970.37-1,147,496.22-821,836.75

Finding the Fourth Proportional to 836,970.37, 1,147,496.22 and 821,836.75

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Solution

The fourth proportional to 836,970.37, 1,147,496.22 and 821,836.75 is: 1,126,747.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,970.37 : 1,147,496.22 = 821,836.75 : x
  2. Step 2: Convert to fraction form
    836,970.37/1,147,496.22 = 821,836.75/x
  3. Step 3: Cross multiply
    836,970.37x = 1,147,496.22 × 821,836.75
  4. Step 4: Simplify right side
    836,970.37x = 943,054,568,115.94
  5. Step 5: Solve for x
    x = 943,054,568,115.94/836,970.37
  6. Step 6: Final answer
    x = 1,126,747.86

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.