Home / 1,432,241.22-1,976,453.42-787,661.40

Finding the Fourth Proportional to 1,432,241.22, 1,976,453.42 and 787,661.40

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Solution

The fourth proportional to 1,432,241.22, 1,976,453.42 and 787,661.40 is: 1,086,951.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,241.22 : 1,976,453.42 = 787,661.40 : x
  2. Step 2: Convert to fraction form
    1,432,241.22/1,976,453.42 = 787,661.40/x
  3. Step 3: Cross multiply
    1,432,241.22x = 1,976,453.42 × 787,661.40
  4. Step 4: Simplify right side
    1,432,241.22x = 1,556,776,063,893.68
  5. Step 5: Solve for x
    x = 1,556,776,063,893.68/1,432,241.22
  6. Step 6: Final answer
    x = 1,086,951.03

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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.