Home / 1,290,784.92-1,936,423.62-491,999.64

Finding the Fourth Proportional to 1,290,784.92, 1,936,423.62 and 491,999.64

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Solution

The fourth proportional to 1,290,784.92, 1,936,423.62 and 491,999.64 is: 738,093.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,784.92 : 1,936,423.62 = 491,999.64 : x
  2. Step 2: Convert to fraction form
    1,290,784.92/1,936,423.62 = 491,999.64/x
  3. Step 3: Cross multiply
    1,290,784.92x = 1,936,423.62 × 491,999.64
  4. Step 4: Simplify right side
    1,290,784.92x = 952,719,723,927.50
  5. Step 5: Solve for x
    x = 952,719,723,927.50/1,290,784.92
  6. Step 6: Final answer
    x = 738,093.32

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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.