Home / 1,090,863.72-1,504,992.42-660,833.64

Finding the Fourth Proportional to 1,090,863.72, 1,504,992.42 and 660,833.64

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Solution

The fourth proportional to 1,090,863.72, 1,504,992.42 and 660,833.64 is: 911,708.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,863.72 : 1,504,992.42 = 660,833.64 : x
  2. Step 2: Convert to fraction form
    1,090,863.72/1,504,992.42 = 660,833.64/x
  3. Step 3: Cross multiply
    1,090,863.72x = 1,504,992.42 × 660,833.64
  4. Step 4: Simplify right side
    1,090,863.72x = 994,549,619,081.01
  5. Step 5: Solve for x
    x = 994,549,619,081.01/1,090,863.72
  6. Step 6: Final answer
    x = 911,708.40

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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.