Home / 1,204,078.08-1,661,614.92-660,212.16

Finding the Fourth Proportional to 1,204,078.08, 1,661,614.92 and 660,212.16

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Solution

The fourth proportional to 1,204,078.08, 1,661,614.92 and 660,212.16 is: 911,085.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,078.08 : 1,661,614.92 = 660,212.16 : x
  2. Step 2: Convert to fraction form
    1,204,078.08/1,661,614.92 = 660,212.16/x
  3. Step 3: Cross multiply
    1,204,078.08x = 1,661,614.92 × 660,212.16
  4. Step 4: Simplify right side
    1,204,078.08x = 1,097,018,375,421.43
  5. Step 5: Solve for x
    x = 1,097,018,375,421.43/1,204,078.08
  6. Step 6: Final answer
    x = 911,085.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.