Home / 1,368,736.82-1,888,869-756,930.74

Finding the Fourth Proportional to 1,368,736.82, 1,888,869 and 756,930.74

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Solution

The fourth proportional to 1,368,736.82, 1,888,869 and 756,930.74 is: 1,044,571.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,736.82 : 1,888,869 = 756,930.74 : x
  2. Step 2: Convert to fraction form
    1,368,736.82/1,888,869 = 756,930.74/x
  3. Step 3: Cross multiply
    1,368,736.82x = 1,888,869 × 756,930.74
  4. Step 4: Simplify right side
    1,368,736.82x = 1,429,743,009,933.06
  5. Step 5: Solve for x
    x = 1,429,743,009,933.06/1,368,736.82
  6. Step 6: Final answer
    x = 1,044,571.16

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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.