Home / 1,181,037.36-1,628,991.75-788,372.31

Finding the Fourth Proportional to 1,181,037.36, 1,628,991.75 and 788,372.31

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Solution

The fourth proportional to 1,181,037.36, 1,628,991.75 and 788,372.31 is: 1,087,393.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,037.36 : 1,628,991.75 = 788,372.31 : x
  2. Step 2: Convert to fraction form
    1,181,037.36/1,628,991.75 = 788,372.31/x
  3. Step 3: Cross multiply
    1,181,037.36x = 1,628,991.75 × 788,372.31
  4. Step 4: Simplify right side
    1,181,037.36x = 1,284,251,988,918.44
  5. Step 5: Solve for x
    x = 1,284,251,988,918.44/1,181,037.36
  6. Step 6: Final answer
    x = 1,087,393.20

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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.