Home / 1,284,517.08-1,926,310.55-431,333.55

Finding the Fourth Proportional to 1,284,517.08, 1,926,310.55 and 431,333.55

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Solution

The fourth proportional to 1,284,517.08, 1,926,310.55 and 431,333.55 is: 646,844.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,517.08 : 1,926,310.55 = 431,333.55 : x
  2. Step 2: Convert to fraction form
    1,284,517.08/1,926,310.55 = 431,333.55/x
  3. Step 3: Cross multiply
    1,284,517.08x = 1,926,310.55 × 431,333.55
  4. Step 4: Simplify right side
    1,284,517.08x = 830,882,365,777.29
  5. Step 5: Solve for x
    x = 830,882,365,777.29/1,284,517.08
  6. Step 6: Final answer
    x = 646,844.16

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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.