Home / 1,379,913.36-2,067,573.48-480,859.56

Finding the Fourth Proportional to 1,379,913.36, 2,067,573.48 and 480,859.56

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Solution

The fourth proportional to 1,379,913.36, 2,067,573.48 and 480,859.56 is: 720,489.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,913.36 : 2,067,573.48 = 480,859.56 : x
  2. Step 2: Convert to fraction form
    1,379,913.36/2,067,573.48 = 480,859.56/x
  3. Step 3: Cross multiply
    1,379,913.36x = 2,067,573.48 × 480,859.56
  4. Step 4: Simplify right side
    1,379,913.36x = 994,212,473,860.47
  5. Step 5: Solve for x
    x = 994,212,473,860.47/1,379,913.36
  6. Step 6: Final answer
    x = 720,489.06

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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.