Home / 1,432,199.38-1,976,395.71-787,619.58

Finding the Fourth Proportional to 1,432,199.38, 1,976,395.71 and 787,619.58

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Solution

The fourth proportional to 1,432,199.38, 1,976,395.71 and 787,619.58 is: 1,086,893.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,199.38 : 1,976,395.71 = 787,619.58 : x
  2. Step 2: Convert to fraction form
    1,432,199.38/1,976,395.71 = 787,619.58/x
  3. Step 3: Cross multiply
    1,432,199.38x = 1,976,395.71 × 787,619.58
  4. Step 4: Simplify right side
    1,432,199.38x = 1,556,647,959,024.00
  5. Step 5: Solve for x
    x = 1,556,647,959,024.00/1,432,199.38
  6. Step 6: Final answer
    x = 1,086,893.33

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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.