Home / 1,487,576.76-2,052,858.78-808,511.64

Finding the Fourth Proportional to 1,487,576.76, 2,052,858.78 and 808,511.64

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Solution

The fourth proportional to 1,487,576.76, 2,052,858.78 and 808,511.64 is: 1,115,747.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,576.76 : 2,052,858.78 = 808,511.64 : x
  2. Step 2: Convert to fraction form
    1,487,576.76/2,052,858.78 = 808,511.64/x
  3. Step 3: Cross multiply
    1,487,576.76x = 2,052,858.78 × 808,511.64
  4. Step 4: Simplify right side
    1,487,576.76x = 1,659,760,218,906.20
  5. Step 5: Solve for x
    x = 1,659,760,218,906.20/1,487,576.76
  6. Step 6: Final answer
    x = 1,115,747.61

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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.