Home / 1,302,391.58-1,796,727.87-785,857.36

Finding the Fourth Proportional to 1,302,391.58, 1,796,727.87 and 785,857.36

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Solution

The fourth proportional to 1,302,391.58, 1,796,727.87 and 785,857.36 is: 1,084,137.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,391.58 : 1,796,727.87 = 785,857.36 : x
  2. Step 2: Convert to fraction form
    1,302,391.58/1,796,727.87 = 785,857.36/x
  3. Step 3: Cross multiply
    1,302,391.58x = 1,796,727.87 × 785,857.36
  4. Step 4: Simplify right side
    1,302,391.58x = 1,411,971,820,556.62
  5. Step 5: Solve for x
    x = 1,411,971,820,556.62/1,302,391.58
  6. Step 6: Final answer
    x = 1,084,137.71

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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.