Home / 1,368,696.29-1,888,703.30-756,736.32

Finding the Fourth Proportional to 1,368,696.29, 1,888,703.30 and 756,736.32

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Solution

The fourth proportional to 1,368,696.29, 1,888,703.30 and 756,736.32 is: 1,044,242.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,696.29 : 1,888,703.30 = 756,736.32 : x
  2. Step 2: Convert to fraction form
    1,368,696.29/1,888,703.30 = 756,736.32/x
  3. Step 3: Cross multiply
    1,368,696.29x = 1,888,703.30 × 756,736.32
  4. Step 4: Simplify right side
    1,368,696.29x = 1,429,250,391,660.01
  5. Step 5: Solve for x
    x = 1,429,250,391,660.01/1,368,696.29
  6. Step 6: Final answer
    x = 1,044,242.18

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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.