Home / 1,266,701.49-1,747,613.78-722,445.89

Finding the Fourth Proportional to 1,266,701.49, 1,747,613.78 and 722,445.89

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Solution

The fourth proportional to 1,266,701.49, 1,747,613.78 and 722,445.89 is: 996,727.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,701.49 : 1,747,613.78 = 722,445.89 : x
  2. Step 2: Convert to fraction form
    1,266,701.49/1,747,613.78 = 722,445.89/x
  3. Step 3: Cross multiply
    1,266,701.49x = 1,747,613.78 × 722,445.89
  4. Step 4: Simplify right side
    1,266,701.49x = 1,262,556,383,027.24
  5. Step 5: Solve for x
    x = 1,262,556,383,027.24/1,266,701.49
  6. Step 6: Final answer
    x = 996,727.64

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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.