Home / 1,260,760.41-1,739,814.84-687,800.43

Finding the Fourth Proportional to 1,260,760.41, 1,739,814.84 and 687,800.43

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Solution

The fourth proportional to 1,260,760.41, 1,739,814.84 and 687,800.43 is: 949,145.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,760.41 : 1,739,814.84 = 687,800.43 : x
  2. Step 2: Convert to fraction form
    1,260,760.41/1,739,814.84 = 687,800.43/x
  3. Step 3: Cross multiply
    1,260,760.41x = 1,739,814.84 × 687,800.43
  4. Step 4: Simplify right side
    1,260,760.41x = 1,196,645,395,072.38
  5. Step 5: Solve for x
    x = 1,196,645,395,072.38/1,260,760.41
  6. Step 6: Final answer
    x = 949,145.76

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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.