Home / 1,266,609.96-1,747,887.88-722,735.86

Finding the Fourth Proportional to 1,266,609.96, 1,747,887.88 and 722,735.86

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Solution

The fourth proportional to 1,266,609.96, 1,747,887.88 and 722,735.86 is: 997,356.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,609.96 : 1,747,887.88 = 722,735.86 : x
  2. Step 2: Convert to fraction form
    1,266,609.96/1,747,887.88 = 722,735.86/x
  3. Step 3: Cross multiply
    1,266,609.96x = 1,747,887.88 × 722,735.86
  4. Step 4: Simplify right side
    1,266,609.96x = 1,263,261,246,521.70
  5. Step 5: Solve for x
    x = 1,263,261,246,521.70/1,266,609.96
  6. Step 6: Final answer
    x = 997,356.16

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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.