Home / 1,428,007.25-2,142,015.89-363,049.43

Finding the Fourth Proportional to 1,428,007.25, 2,142,015.89 and 363,049.43

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Solution

The fourth proportional to 1,428,007.25, 2,142,015.89 and 363,049.43 is: 544,575.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,007.25 : 2,142,015.89 = 363,049.43 : x
  2. Step 2: Convert to fraction form
    1,428,007.25/2,142,015.89 = 363,049.43/x
  3. Step 3: Cross multiply
    1,428,007.25x = 2,142,015.89 × 363,049.43
  4. Step 4: Simplify right side
    1,428,007.25x = 777,657,635,390.12
  5. Step 5: Solve for x
    x = 777,657,635,390.12/1,428,007.25
  6. Step 6: Final answer
    x = 544,575.41

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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.