Home / 1,432,184.66-1,976,375.42-787,604.86

Finding the Fourth Proportional to 1,432,184.66, 1,976,375.42 and 787,604.86

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Solution

The fourth proportional to 1,432,184.66, 1,976,375.42 and 787,604.86 is: 1,086,873.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,184.66 : 1,976,375.42 = 787,604.86 : x
  2. Step 2: Convert to fraction form
    1,432,184.66/1,976,375.42 = 787,604.86/x
  3. Step 3: Cross multiply
    1,432,184.66x = 1,976,375.42 × 787,604.86
  4. Step 4: Simplify right side
    1,432,184.66x = 1,556,602,885,976.54
  5. Step 5: Solve for x
    x = 1,556,602,885,976.54/1,432,184.66
  6. Step 6: Final answer
    x = 1,086,873.03

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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.