Home / 1,115,322.40-1,672,983.60-273,863.20

Finding the Fourth Proportional to 1,115,322.40, 1,672,983.60 and 273,863.20

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Solution

The fourth proportional to 1,115,322.40, 1,672,983.60 and 273,863.20 is: 410,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,322.40 : 1,672,983.60 = 273,863.20 : x
  2. Step 2: Convert to fraction form
    1,115,322.40/1,672,983.60 = 273,863.20/x
  3. Step 3: Cross multiply
    1,115,322.40x = 1,672,983.60 × 273,863.20
  4. Step 4: Simplify right side
    1,115,322.40x = 458,168,642,243.52
  5. Step 5: Solve for x
    x = 458,168,642,243.52/1,115,322.40
  6. Step 6: Final answer
    x = 410,794.80

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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.