Home / 993,940.80-1,491,348.60-461,187.60

Finding the Fourth Proportional to 993,940.80, 1,491,348.60 and 461,187.60

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Solution

The fourth proportional to 993,940.80, 1,491,348.60 and 461,187.60 is: 691,984.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,940.80 : 1,491,348.60 = 461,187.60 : x
  2. Step 2: Convert to fraction form
    993,940.80/1,491,348.60 = 461,187.60/x
  3. Step 3: Cross multiply
    993,940.80x = 1,491,348.60 × 461,187.60
  4. Step 4: Simplify right side
    993,940.80x = 687,791,481,597.36
  5. Step 5: Solve for x
    x = 687,791,481,597.36/993,940.80
  6. Step 6: Final answer
    x = 691,984.35

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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.