Home / 1,279,171.56-1,765,341.90-848,711.64

Finding the Fourth Proportional to 1,279,171.56, 1,765,341.90 and 848,711.64

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Solution

The fourth proportional to 1,279,171.56, 1,765,341.90 and 848,711.64 is: 1,171,278.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,171.56 : 1,765,341.90 = 848,711.64 : x
  2. Step 2: Convert to fraction form
    1,279,171.56/1,765,341.90 = 848,711.64/x
  3. Step 3: Cross multiply
    1,279,171.56x = 1,765,341.90 × 848,711.64
  4. Step 4: Simplify right side
    1,279,171.56x = 1,498,266,219,109.72
  5. Step 5: Solve for x
    x = 1,498,266,219,109.72/1,279,171.56
  6. Step 6: Final answer
    x = 1,171,278.56

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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.