Home / 1,356,214.65-2,034,399.89-491,837.75

Finding the Fourth Proportional to 1,356,214.65, 2,034,399.89 and 491,837.75

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Solution

The fourth proportional to 1,356,214.65, 2,034,399.89 and 491,837.75 is: 737,784.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,214.65 : 2,034,399.89 = 491,837.75 : x
  2. Step 2: Convert to fraction form
    1,356,214.65/2,034,399.89 = 491,837.75/x
  3. Step 3: Cross multiply
    1,356,214.65x = 2,034,399.89 × 491,837.75
  4. Step 4: Simplify right side
    1,356,214.65x = 1,000,594,651,866.66
  5. Step 5: Solve for x
    x = 1,000,594,651,866.66/1,356,214.65
  6. Step 6: Final answer
    x = 737,784.87

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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.