Home / 1,269,805.45-1,904,687.25-511,628.44

Finding the Fourth Proportional to 1,269,805.45, 1,904,687.25 and 511,628.44

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Solution

The fourth proportional to 1,269,805.45, 1,904,687.25 and 511,628.44 is: 767,434.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,805.45 : 1,904,687.25 = 511,628.44 : x
  2. Step 2: Convert to fraction form
    1,269,805.45/1,904,687.25 = 511,628.44/x
  3. Step 3: Cross multiply
    1,269,805.45x = 1,904,687.25 × 511,628.44
  4. Step 4: Simplify right side
    1,269,805.45x = 974,492,166,405.39
  5. Step 5: Solve for x
    x = 974,492,166,405.39/1,269,805.45
  6. Step 6: Final answer
    x = 767,434.23

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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.