Home / 1,387,296.92-2,081,112.12-488,552.92

Finding the Fourth Proportional to 1,387,296.92, 2,081,112.12 and 488,552.92

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Solution

The fourth proportional to 1,387,296.92, 2,081,112.12 and 488,552.92 is: 732,888.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,296.92 : 2,081,112.12 = 488,552.92 : x
  2. Step 2: Convert to fraction form
    1,387,296.92/2,081,112.12 = 488,552.92/x
  3. Step 3: Cross multiply
    1,387,296.92x = 2,081,112.12 × 488,552.92
  4. Step 4: Simplify right side
    1,387,296.92x = 1,016,733,403,073.39
  5. Step 5: Solve for x
    x = 1,016,733,403,073.39/1,387,296.92
  6. Step 6: Final answer
    x = 732,888.10

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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.