Home / 1,587,201.82-2,189,997.75-942,839.26

Finding the Fourth Proportional to 1,587,201.82, 2,189,997.75 and 942,839.26

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Solution

The fourth proportional to 1,587,201.82, 2,189,997.75 and 942,839.26 is: 1,300,915.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,201.82 : 2,189,997.75 = 942,839.26 : x
  2. Step 2: Convert to fraction form
    1,587,201.82/2,189,997.75 = 942,839.26/x
  3. Step 3: Cross multiply
    1,587,201.82x = 2,189,997.75 × 942,839.26
  4. Step 4: Simplify right side
    1,587,201.82x = 2,064,815,858,011.67
  5. Step 5: Solve for x
    x = 2,064,815,858,011.67/1,587,201.82
  6. Step 6: Final answer
    x = 1,300,915.76

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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.