Home / 1,555,178.78-2,332,418.22-557,906.78

Finding the Fourth Proportional to 1,555,178.78, 2,332,418.22 and 557,906.78

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Solution

The fourth proportional to 1,555,178.78, 2,332,418.22 and 557,906.78 is: 836,734.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,178.78 : 2,332,418.22 = 557,906.78 : x
  2. Step 2: Convert to fraction form
    1,555,178.78/2,332,418.22 = 557,906.78/x
  3. Step 3: Cross multiply
    1,555,178.78x = 2,332,418.22 × 557,906.78
  4. Step 4: Simplify right side
    1,555,178.78x = 1,301,271,938,733.53
  5. Step 5: Solve for x
    x = 1,301,271,938,733.53/1,555,178.78
  6. Step 6: Final answer
    x = 836,734.63

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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.