Home / 1,310,728.71-1,966,857.30-552,523.80

Finding the Fourth Proportional to 1,310,728.71, 1,966,857.30 and 552,523.80

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Solution

The fourth proportional to 1,310,728.71, 1,966,857.30 and 552,523.80 is: 829,107.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,728.71 : 1,966,857.30 = 552,523.80 : x
  2. Step 2: Convert to fraction form
    1,310,728.71/1,966,857.30 = 552,523.80/x
  3. Step 3: Cross multiply
    1,310,728.71x = 1,966,857.30 × 552,523.80
  4. Step 4: Simplify right side
    1,310,728.71x = 1,086,735,469,453.74
  5. Step 5: Solve for x
    x = 1,086,735,469,453.74/1,310,728.71
  6. Step 6: Final answer
    x = 829,107.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.