Home / 1,090,980.40-1,635,304.20-491,839.60

Finding the Fourth Proportional to 1,090,980.40, 1,635,304.20 and 491,839.60

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Solution

The fourth proportional to 1,090,980.40, 1,635,304.20 and 491,839.60 is: 737,233.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,980.40 : 1,635,304.20 = 491,839.60 : x
  2. Step 2: Convert to fraction form
    1,090,980.40/1,635,304.20 = 491,839.60/x
  3. Step 3: Cross multiply
    1,090,980.40x = 1,635,304.20 × 491,839.60
  4. Step 4: Simplify right side
    1,090,980.40x = 804,307,363,606.32
  5. Step 5: Solve for x
    x = 804,307,363,606.32/1,090,980.40
  6. Step 6: Final answer
    x = 737,233.56

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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.