Home / 1,762,123.20-2,431,651.52-998,161.28

Finding the Fourth Proportional to 1,762,123.20, 2,431,651.52 and 998,161.28

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Solution

The fourth proportional to 1,762,123.20, 2,431,651.52 and 998,161.28 is: 1,377,418.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762,123.20 : 2,431,651.52 = 998,161.28 : x
  2. Step 2: Convert to fraction form
    1,762,123.20/2,431,651.52 = 998,161.28/x
  3. Step 3: Cross multiply
    1,762,123.20x = 2,431,651.52 × 998,161.28
  4. Step 4: Simplify right side
    1,762,123.20x = 2,427,180,393,717.15
  5. Step 5: Solve for x
    x = 2,427,180,393,717.15/1,762,123.20
  6. Step 6: Final answer
    x = 1,377,418.10

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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.