Home / 1,686,896.40-2,530,344.60-488,857.80

Finding the Fourth Proportional to 1,686,896.40, 2,530,344.60 and 488,857.80

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Solution

The fourth proportional to 1,686,896.40, 2,530,344.60 and 488,857.80 is: 733,286.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,896.40 : 2,530,344.60 = 488,857.80 : x
  2. Step 2: Convert to fraction form
    1,686,896.40/2,530,344.60 = 488,857.80/x
  3. Step 3: Cross multiply
    1,686,896.40x = 2,530,344.60 × 488,857.80
  4. Step 4: Simplify right side
    1,686,896.40x = 1,236,978,694,397.88
  5. Step 5: Solve for x
    x = 1,236,978,694,397.88/1,686,896.40
  6. Step 6: Final answer
    x = 733,286.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.