Home / 1,760,072.67-2,640,086.70-561,979.80

Finding the Fourth Proportional to 1,760,072.67, 2,640,086.70 and 561,979.80

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Solution

The fourth proportional to 1,760,072.67, 2,640,086.70 and 561,979.80 is: 842,962.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760,072.67 : 2,640,086.70 = 561,979.80 : x
  2. Step 2: Convert to fraction form
    1,760,072.67/2,640,086.70 = 561,979.80/x
  3. Step 3: Cross multiply
    1,760,072.67x = 2,640,086.70 × 561,979.80
  4. Step 4: Simplify right side
    1,760,072.67x = 1,483,675,395,648.66
  5. Step 5: Solve for x
    x = 1,483,675,395,648.66/1,760,072.67
  6. Step 6: Final answer
    x = 842,962.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.