Home / 856,977.67-1,179,936.82-727,646.59

Finding the Fourth Proportional to 856,977.67, 1,179,936.82 and 727,646.59

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Solution

The fourth proportional to 856,977.67, 1,179,936.82 and 727,646.59 is: 1,001,866.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,977.67 : 1,179,936.82 = 727,646.59 : x
  2. Step 2: Convert to fraction form
    856,977.67/1,179,936.82 = 727,646.59/x
  3. Step 3: Cross multiply
    856,977.67x = 1,179,936.82 × 727,646.59
  4. Step 4: Simplify right side
    856,977.67x = 858,576,999,850.21
  5. Step 5: Solve for x
    x = 858,576,999,850.21/856,977.67
  6. Step 6: Final answer
    x = 1,001,866.24

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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.