Home / 1,432,204.07-1,976,396.37-787,622.27

Finding the Fourth Proportional to 1,432,204.07, 1,976,396.37 and 787,622.27

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Solution

The fourth proportional to 1,432,204.07, 1,976,396.37 and 787,622.27 is: 1,086,893.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,204.07 : 1,976,396.37 = 787,622.27 : x
  2. Step 2: Convert to fraction form
    1,432,204.07/1,976,396.37 = 787,622.27/x
  3. Step 3: Cross multiply
    1,432,204.07x = 1,976,396.37 × 787,622.27
  4. Step 4: Simplify right side
    1,432,204.07x = 1,556,653,795,359.16
  5. Step 5: Solve for x
    x = 1,556,653,795,359.16/1,432,204.07
  6. Step 6: Final answer
    x = 1,086,893.85

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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.