Home / 862,405.40-1,293,608.10-848,408.60

Finding the Fourth Proportional to 862,405.40, 1,293,608.10 and 848,408.60

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Solution

The fourth proportional to 862,405.40, 1,293,608.10 and 848,408.60 is: 1,272,612.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,405.40 : 1,293,608.10 = 848,408.60 : x
  2. Step 2: Convert to fraction form
    862,405.40/1,293,608.10 = 848,408.60/x
  3. Step 3: Cross multiply
    862,405.40x = 1,293,608.10 × 848,408.60
  4. Step 4: Simplify right side
    862,405.40x = 1,097,508,237,069.66
  5. Step 5: Solve for x
    x = 1,097,508,237,069.66/862,405.40
  6. Step 6: Final answer
    x = 1,272,612.90

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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.