Home / 1,064,205.44-1,469,145.28-821,944.16

Finding the Fourth Proportional to 1,064,205.44, 1,469,145.28 and 821,944.16

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Solution

The fourth proportional to 1,064,205.44, 1,469,145.28 and 821,944.16 is: 1,134,701.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,205.44 : 1,469,145.28 = 821,944.16 : x
  2. Step 2: Convert to fraction form
    1,064,205.44/1,469,145.28 = 821,944.16/x
  3. Step 3: Cross multiply
    1,064,205.44x = 1,469,145.28 × 821,944.16
  4. Step 4: Simplify right side
    1,064,205.44x = 1,207,555,383,087.57
  5. Step 5: Solve for x
    x = 1,207,555,383,087.57/1,064,205.44
  6. Step 6: Final answer
    x = 1,134,701.38

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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.