Home / 1,587,273.49-2,190,453.33-862,135.39

Finding the Fourth Proportional to 1,587,273.49, 2,190,453.33 and 862,135.39

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Solution

The fourth proportional to 1,587,273.49, 2,190,453.33 and 862,135.39 is: 1,189,755.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,273.49 : 2,190,453.33 = 862,135.39 : x
  2. Step 2: Convert to fraction form
    1,587,273.49/2,190,453.33 = 862,135.39/x
  3. Step 3: Cross multiply
    1,587,273.49x = 2,190,453.33 × 862,135.39
  4. Step 4: Simplify right side
    1,587,273.49x = 1,888,467,335,936.35
  5. Step 5: Solve for x
    x = 1,888,467,335,936.35/1,587,273.49
  6. Step 6: Final answer
    x = 1,189,755.48

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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.