Home / 1,017,243.26-1,404,960.76-669,936.21

Finding the Fourth Proportional to 1,017,243.26, 1,404,960.76 and 669,936.21

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Solution

The fourth proportional to 1,017,243.26, 1,404,960.76 and 669,936.21 is: 925,279.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,243.26 : 1,404,960.76 = 669,936.21 : x
  2. Step 2: Convert to fraction form
    1,017,243.26/1,404,960.76 = 669,936.21/x
  3. Step 3: Cross multiply
    1,017,243.26x = 1,404,960.76 × 669,936.21
  4. Step 4: Simplify right side
    1,017,243.26x = 941,234,082,321.94
  5. Step 5: Solve for x
    x = 941,234,082,321.94/1,017,243.26
  6. Step 6: Final answer
    x = 925,279.25

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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.