Home / 1,269,866.97-1,905,091.36-550,329.48

Finding the Fourth Proportional to 1,269,866.97, 1,905,091.36 and 550,329.48

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Solution

The fourth proportional to 1,269,866.97, 1,905,091.36 and 550,329.48 is: 825,620.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,866.97 : 1,905,091.36 = 550,329.48 : x
  2. Step 2: Convert to fraction form
    1,269,866.97/1,905,091.36 = 550,329.48/x
  3. Step 3: Cross multiply
    1,269,866.97x = 1,905,091.36 × 550,329.48
  4. Step 4: Simplify right side
    1,269,866.97x = 1,048,427,936,125.47
  5. Step 5: Solve for x
    x = 1,048,427,936,125.47/1,269,866.97
  6. Step 6: Final answer
    x = 825,620.29

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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.