Home / 1,266,089.49-1,747,369.85-722,100.60

Finding the Fourth Proportional to 1,266,089.49, 1,747,369.85 and 722,100.60

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Solution

The fourth proportional to 1,266,089.49, 1,747,369.85 and 722,100.60 is: 996,593.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,089.49 : 1,747,369.85 = 722,100.60 : x
  2. Step 2: Convert to fraction form
    1,266,089.49/1,747,369.85 = 722,100.60/x
  3. Step 3: Cross multiply
    1,266,089.49x = 1,747,369.85 × 722,100.60
  4. Step 4: Simplify right side
    1,266,089.49x = 1,261,776,813,496.41
  5. Step 5: Solve for x
    x = 1,261,776,813,496.41/1,266,089.49
  6. Step 6: Final answer
    x = 996,593.70

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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.