Home / 1,266,090.49-1,747,371.23-722,101.60

Finding the Fourth Proportional to 1,266,090.49, 1,747,371.23 and 722,101.60

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Solution

The fourth proportional to 1,266,090.49, 1,747,371.23 and 722,101.60 is: 996,595.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,090.49 : 1,747,371.23 = 722,101.60 : x
  2. Step 2: Convert to fraction form
    1,266,090.49/1,747,371.23 = 722,101.60/x
  3. Step 3: Cross multiply
    1,266,090.49x = 1,747,371.23 × 722,101.60
  4. Step 4: Simplify right side
    1,266,090.49x = 1,261,779,560,976.97
  5. Step 5: Solve for x
    x = 1,261,779,560,976.97/1,266,090.49
  6. Step 6: Final answer
    x = 996,595.09

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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.