Home / 966,415.20-1,449,622.80-831,112.80

Finding the Fourth Proportional to 966,415.20, 1,449,622.80 and 831,112.80

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Solution

The fourth proportional to 966,415.20, 1,449,622.80 and 831,112.80 is: 1,246,669.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,415.20 : 1,449,622.80 = 831,112.80 : x
  2. Step 2: Convert to fraction form
    966,415.20/1,449,622.80 = 831,112.80/x
  3. Step 3: Cross multiply
    966,415.20x = 1,449,622.80 × 831,112.80
  4. Step 4: Simplify right side
    966,415.20x = 1,204,800,064,251.84
  5. Step 5: Solve for x
    x = 1,204,800,064,251.84/966,415.20
  6. Step 6: Final answer
    x = 1,246,669.20

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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.