Home / 1,280,764.97-1,767,496.31-699,975.36

Finding the Fourth Proportional to 1,280,764.97, 1,767,496.31 and 699,975.36

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Solution

The fourth proportional to 1,280,764.97, 1,767,496.31 and 699,975.36 is: 965,988.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,764.97 : 1,767,496.31 = 699,975.36 : x
  2. Step 2: Convert to fraction form
    1,280,764.97/1,767,496.31 = 699,975.36/x
  3. Step 3: Cross multiply
    1,280,764.97x = 1,767,496.31 × 699,975.36
  4. Step 4: Simplify right side
    1,280,764.97x = 1,237,203,865,015.95
  5. Step 5: Solve for x
    x = 1,237,203,865,015.95/1,280,764.97
  6. Step 6: Final answer
    x = 965,988.21

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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.