Home / 1,958,508.09-2,702,048.31-1,279,838.25

Finding the Fourth Proportional to 1,958,508.09, 2,702,048.31 and 1,279,838.25

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Solution

The fourth proportional to 1,958,508.09, 2,702,048.31 and 1,279,838.25 is: 1,765,724.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958,508.09 : 2,702,048.31 = 1,279,838.25 : x
  2. Step 2: Convert to fraction form
    1,958,508.09/2,702,048.31 = 1,279,838.25/x
  3. Step 3: Cross multiply
    1,958,508.09x = 2,702,048.31 × 1,279,838.25
  4. Step 4: Simplify right side
    1,958,508.09x = 3,458,184,780,485.86
  5. Step 5: Solve for x
    x = 3,458,184,780,485.86/1,958,508.09
  6. Step 6: Final answer
    x = 1,765,724.02

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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.