Home / 1,067,929.20-1,601,893.80-319,975.20

Finding the Fourth Proportional to 1,067,929.20, 1,601,893.80 and 319,975.20

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Solution

The fourth proportional to 1,067,929.20, 1,601,893.80 and 319,975.20 is: 479,962.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,929.20 : 1,601,893.80 = 319,975.20 : x
  2. Step 2: Convert to fraction form
    1,067,929.20/1,601,893.80 = 319,975.20/x
  3. Step 3: Cross multiply
    1,067,929.20x = 1,601,893.80 × 319,975.20
  4. Step 4: Simplify right side
    1,067,929.20x = 512,566,289,033.76
  5. Step 5: Solve for x
    x = 512,566,289,033.76/1,067,929.20
  6. Step 6: Final answer
    x = 479,962.80

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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.