Home / 1,266,085.40-1,747,364.18-722,096.49

Finding the Fourth Proportional to 1,266,085.40, 1,747,364.18 and 722,096.49

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Solution

The fourth proportional to 1,266,085.40, 1,747,364.18 and 722,096.49 is: 996,588.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,085.40 : 1,747,364.18 = 722,096.49 : x
  2. Step 2: Convert to fraction form
    1,266,085.40/1,747,364.18 = 722,096.49/x
  3. Step 3: Cross multiply
    1,266,085.40x = 1,747,364.18 × 722,096.49
  4. Step 4: Simplify right side
    1,266,085.40x = 1,261,765,537,519.25
  5. Step 5: Solve for x
    x = 1,261,765,537,519.25/1,266,085.40
  6. Step 6: Final answer
    x = 996,588.02

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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.