Home / 1,294,278.90-1,941,418.35-395,720.64

Finding the Fourth Proportional to 1,294,278.90, 1,941,418.35 and 395,720.64

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Solution

The fourth proportional to 1,294,278.90, 1,941,418.35 and 395,720.64 is: 593,580.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,278.90 : 1,941,418.35 = 395,720.64 : x
  2. Step 2: Convert to fraction form
    1,294,278.90/1,941,418.35 = 395,720.64/x
  3. Step 3: Cross multiply
    1,294,278.90x = 1,941,418.35 × 395,720.64
  4. Step 4: Simplify right side
    1,294,278.90x = 768,259,312,959.05
  5. Step 5: Solve for x
    x = 768,259,312,959.05/1,294,278.90
  6. Step 6: Final answer
    x = 593,580.96

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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.