Home / 1,115,359.80-1,673,045.28-273,911.64

Finding the Fourth Proportional to 1,115,359.80, 1,673,045.28 and 273,911.64

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Solution

The fourth proportional to 1,115,359.80, 1,673,045.28 and 273,911.64 is: 410,868.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,359.80 : 1,673,045.28 = 273,911.64 : x
  2. Step 2: Convert to fraction form
    1,115,359.80/1,673,045.28 = 273,911.64/x
  3. Step 3: Cross multiply
    1,115,359.80x = 1,673,045.28 × 273,911.64
  4. Step 4: Simplify right side
    1,115,359.80x = 458,266,576,439.06
  5. Step 5: Solve for x
    x = 458,266,576,439.06/1,115,359.80
  6. Step 6: Final answer
    x = 410,868.83

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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.