Home / 1,072,092.88-1,608,086.52-398,305.36

Finding the Fourth Proportional to 1,072,092.88, 1,608,086.52 and 398,305.36

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Solution

The fourth proportional to 1,072,092.88, 1,608,086.52 and 398,305.36 is: 597,438.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,092.88 : 1,608,086.52 = 398,305.36 : x
  2. Step 2: Convert to fraction form
    1,072,092.88/1,608,086.52 = 398,305.36/x
  3. Step 3: Cross multiply
    1,072,092.88x = 1,608,086.52 × 398,305.36
  4. Step 4: Simplify right side
    1,072,092.88x = 640,509,480,259.75
  5. Step 5: Solve for x
    x = 640,509,480,259.75/1,072,092.88
  6. Step 6: Final answer
    x = 597,438.42

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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.