Home / 1,310,732.69-1,966,169.10-412,244.49

Finding the Fourth Proportional to 1,310,732.69, 1,966,169.10 and 412,244.49

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Solution

The fourth proportional to 1,310,732.69, 1,966,169.10 and 412,244.49 is: 618,388.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,732.69 : 1,966,169.10 = 412,244.49 : x
  2. Step 2: Convert to fraction form
    1,310,732.69/1,966,169.10 = 412,244.49/x
  3. Step 3: Cross multiply
    1,310,732.69x = 1,966,169.10 × 412,244.49
  4. Step 4: Simplify right side
    1,310,732.69x = 810,542,377,883.26
  5. Step 5: Solve for x
    x = 810,542,377,883.26/1,310,732.69
  6. Step 6: Final answer
    x = 618,388.77

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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.