Home / 1,294,278.78-1,941,418.17-395,720.52

Finding the Fourth Proportional to 1,294,278.78, 1,941,418.17 and 395,720.52

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Solution

The fourth proportional to 1,294,278.78, 1,941,418.17 and 395,720.52 is: 593,580.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,278.78 : 1,941,418.17 = 395,720.52 : x
  2. Step 2: Convert to fraction form
    1,294,278.78/1,941,418.17 = 395,720.52/x
  3. Step 3: Cross multiply
    1,294,278.78x = 1,941,418.17 × 395,720.52
  4. Step 4: Simplify right side
    1,294,278.78x = 768,258,999,005.58
  5. Step 5: Solve for x
    x = 768,258,999,005.58/1,294,278.78
  6. Step 6: Final answer
    x = 593,580.77

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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.