Home / 1,222,383.22-1,686,804.40-678,476.22

Finding the Fourth Proportional to 1,222,383.22, 1,686,804.40 and 678,476.22

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Solution

The fourth proportional to 1,222,383.22, 1,686,804.40 and 678,476.22 is: 936,250.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,383.22 : 1,686,804.40 = 678,476.22 : x
  2. Step 2: Convert to fraction form
    1,222,383.22/1,686,804.40 = 678,476.22/x
  3. Step 3: Cross multiply
    1,222,383.22x = 1,686,804.40 × 678,476.22
  4. Step 4: Simplify right side
    1,222,383.22x = 1,144,456,673,191.37
  5. Step 5: Solve for x
    x = 1,144,456,673,191.37/1,222,383.22
  6. Step 6: Final answer
    x = 936,250.31

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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.