Home / 1,253,979.64-1,731,209.23-825,505.35

Finding the Fourth Proportional to 1,253,979.64, 1,731,209.23 and 825,505.35

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Solution

The fourth proportional to 1,253,979.64, 1,731,209.23 and 825,505.35 is: 1,139,669.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,979.64 : 1,731,209.23 = 825,505.35 : x
  2. Step 2: Convert to fraction form
    1,253,979.64/1,731,209.23 = 825,505.35/x
  3. Step 3: Cross multiply
    1,253,979.64x = 1,731,209.23 × 825,505.35
  4. Step 4: Simplify right side
    1,253,979.64x = 1,429,122,481,334.38
  5. Step 5: Solve for x
    x = 1,429,122,481,334.38/1,253,979.64
  6. Step 6: Final answer
    x = 1,139,669.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.