Home / 1,166,447.38-1,749,671.09-279,983.38

Finding the Fourth Proportional to 1,166,447.38, 1,749,671.09 and 279,983.38

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Solution

The fourth proportional to 1,166,447.38, 1,749,671.09 and 279,983.38 is: 419,975.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,447.38 : 1,749,671.09 = 279,983.38 : x
  2. Step 2: Convert to fraction form
    1,166,447.38/1,749,671.09 = 279,983.38/x
  3. Step 3: Cross multiply
    1,166,447.38x = 1,749,671.09 × 279,983.38
  4. Step 4: Simplify right side
    1,166,447.38x = 489,878,825,666.48
  5. Step 5: Solve for x
    x = 489,878,825,666.48/1,166,447.38
  6. Step 6: Final answer
    x = 419,975.07

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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.