Home / 1,645,976.08-2,468,714.59-447,991.75

Finding the Fourth Proportional to 1,645,976.08, 2,468,714.59 and 447,991.75

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Solution

The fourth proportional to 1,645,976.08, 2,468,714.59 and 447,991.75 is: 671,919.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,976.08 : 2,468,714.59 = 447,991.75 : x
  2. Step 2: Convert to fraction form
    1,645,976.08/2,468,714.59 = 447,991.75/x
  3. Step 3: Cross multiply
    1,645,976.08x = 2,468,714.59 × 447,991.75
  4. Step 4: Simplify right side
    1,645,976.08x = 1,105,963,769,424.63
  5. Step 5: Solve for x
    x = 1,105,963,769,424.63/1,645,976.08
  6. Step 6: Final answer
    x = 671,919.71

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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.