Home / 1,135,410.49-1,701,187.78-685,185.31

Finding the Fourth Proportional to 1,135,410.49, 1,701,187.78 and 685,185.31

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Solution

The fourth proportional to 1,135,410.49, 1,701,187.78 and 685,185.31 is: 1,026,614.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,410.49 : 1,701,187.78 = 685,185.31 : x
  2. Step 2: Convert to fraction form
    1,135,410.49/1,701,187.78 = 685,185.31/x
  3. Step 3: Cross multiply
    1,135,410.49x = 1,701,187.78 × 685,185.31
  4. Step 4: Simplify right side
    1,135,410.49x = 1,165,628,876,407.51
  5. Step 5: Solve for x
    x = 1,165,628,876,407.51/1,135,410.49
  6. Step 6: Final answer
    x = 1,026,614.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.