Home / 1,781,679.21-2,458,138.86-1,007,234.97

Finding the Fourth Proportional to 1,781,679.21, 2,458,138.86 and 1,007,234.97

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Solution

The fourth proportional to 1,781,679.21, 2,458,138.86 and 1,007,234.97 is: 1,389,657.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,679.21 : 2,458,138.86 = 1,007,234.97 : x
  2. Step 2: Convert to fraction form
    1,781,679.21/2,458,138.86 = 1,007,234.97/x
  3. Step 3: Cross multiply
    1,781,679.21x = 2,458,138.86 × 1,007,234.97
  4. Step 4: Simplify right side
    1,781,679.21x = 2,475,923,420,907.93
  5. Step 5: Solve for x
    x = 2,475,923,420,907.93/1,781,679.21
  6. Step 6: Final answer
    x = 1,389,657.24

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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.