Home / 990,505.20-1,485,757.80-848,787.60

Finding the Fourth Proportional to 990,505.20, 1,485,757.80 and 848,787.60

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Solution

The fourth proportional to 990,505.20, 1,485,757.80 and 848,787.60 is: 1,273,181.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,505.20 : 1,485,757.80 = 848,787.60 : x
  2. Step 2: Convert to fraction form
    990,505.20/1,485,757.80 = 848,787.60/x
  3. Step 3: Cross multiply
    990,505.20x = 1,485,757.80 × 848,787.60
  4. Step 4: Simplify right side
    990,505.20x = 1,261,092,797,243.28
  5. Step 5: Solve for x
    x = 1,261,092,797,243.28/990,505.20
  6. Step 6: Final answer
    x = 1,273,181.40

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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.