Home / 1,321,767.76-1,824,044.36-718,155.76

Finding the Fourth Proportional to 1,321,767.76, 1,824,044.36 and 718,155.76

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Solution

The fourth proportional to 1,321,767.76, 1,824,044.36 and 718,155.76 is: 991,057.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,767.76 : 1,824,044.36 = 718,155.76 : x
  2. Step 2: Convert to fraction form
    1,321,767.76/1,824,044.36 = 718,155.76/x
  3. Step 3: Cross multiply
    1,321,767.76x = 1,824,044.36 × 718,155.76
  4. Step 4: Simplify right side
    1,321,767.76x = 1,309,947,963,629.51
  5. Step 5: Solve for x
    x = 1,309,947,963,629.51/1,321,767.76
  6. Step 6: Final answer
    x = 991,057.58

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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.