Home / 1,012,112.31-1,396,162.08-649,132.23

Finding the Fourth Proportional to 1,012,112.31, 1,396,162.08 and 649,132.23

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Solution

The fourth proportional to 1,012,112.31, 1,396,162.08 and 649,132.23 is: 895,447.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,112.31 : 1,396,162.08 = 649,132.23 : x
  2. Step 2: Convert to fraction form
    1,012,112.31/1,396,162.08 = 649,132.23/x
  3. Step 3: Cross multiply
    1,012,112.31x = 1,396,162.08 × 649,132.23
  4. Step 4: Simplify right side
    1,012,112.31x = 906,293,804,431.84
  5. Step 5: Solve for x
    x = 906,293,804,431.84/1,012,112.31
  6. Step 6: Final answer
    x = 895,447.86

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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.