Home / 1,320,884.51-1,981,609.04-410,046.86

Finding the Fourth Proportional to 1,320,884.51, 1,981,609.04 and 410,046.86

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Solution

The fourth proportional to 1,320,884.51, 1,981,609.04 and 410,046.86 is: 615,157.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,884.51 : 1,981,609.04 = 410,046.86 : x
  2. Step 2: Convert to fraction form
    1,320,884.51/1,981,609.04 = 410,046.86/x
  3. Step 3: Cross multiply
    1,320,884.51x = 1,981,609.04 × 410,046.86
  4. Step 4: Simplify right side
    1,320,884.51x = 812,552,570,578.75
  5. Step 5: Solve for x
    x = 812,552,570,578.75/1,320,884.51
  6. Step 6: Final answer
    x = 615,157.92

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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.