Home / 1,272,734.28-1,756,357.56-699,769.44

Finding the Fourth Proportional to 1,272,734.28, 1,756,357.56 and 699,769.44

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Solution

The fourth proportional to 1,272,734.28, 1,756,357.56 and 699,769.44 is: 965,673.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,734.28 : 1,756,357.56 = 699,769.44 : x
  2. Step 2: Convert to fraction form
    1,272,734.28/1,756,357.56 = 699,769.44/x
  3. Step 3: Cross multiply
    1,272,734.28x = 1,756,357.56 × 699,769.44
  4. Step 4: Simplify right side
    1,272,734.28x = 1,229,045,346,200.97
  5. Step 5: Solve for x
    x = 1,229,045,346,200.97/1,272,734.28
  6. Step 6: Final answer
    x = 965,673.17

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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.