Home / 1,299,022.87-1,792,579.23-718,212.38

Finding the Fourth Proportional to 1,299,022.87, 1,792,579.23 and 718,212.38

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Solution

The fourth proportional to 1,299,022.87, 1,792,579.23 and 718,212.38 is: 991,093.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,022.87 : 1,792,579.23 = 718,212.38 : x
  2. Step 2: Convert to fraction form
    1,299,022.87/1,792,579.23 = 718,212.38/x
  3. Step 3: Cross multiply
    1,299,022.87x = 1,792,579.23 × 718,212.38
  4. Step 4: Simplify right side
    1,299,022.87x = 1,287,452,595,116.87
  5. Step 5: Solve for x
    x = 1,287,452,595,116.87/1,299,022.87
  6. Step 6: Final answer
    x = 991,093.09

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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.