Home / 1,309,322.27-1,806,593.82-765,352.80

Finding the Fourth Proportional to 1,309,322.27, 1,806,593.82 and 765,352.80

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Solution

The fourth proportional to 1,309,322.27, 1,806,593.82 and 765,352.80 is: 1,056,028.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,322.27 : 1,806,593.82 = 765,352.80 : x
  2. Step 2: Convert to fraction form
    1,309,322.27/1,806,593.82 = 765,352.80/x
  3. Step 3: Cross multiply
    1,309,322.27x = 1,806,593.82 × 765,352.80
  4. Step 4: Simplify right side
    1,309,322.27x = 1,382,681,638,599.70
  5. Step 5: Solve for x
    x = 1,382,681,638,599.70/1,309,322.27
  6. Step 6: Final answer
    x = 1,056,028.51

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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.