Home / 1,226,443.50-1,691,044.02-839,445.30

Finding the Fourth Proportional to 1,226,443.50, 1,691,044.02 and 839,445.30

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Solution

The fourth proportional to 1,226,443.50, 1,691,044.02 and 839,445.30 is: 1,157,443.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,443.50 : 1,691,044.02 = 839,445.30 : x
  2. Step 2: Convert to fraction form
    1,226,443.50/1,691,044.02 = 839,445.30/x
  3. Step 3: Cross multiply
    1,226,443.50x = 1,691,044.02 × 839,445.30
  4. Step 4: Simplify right side
    1,226,443.50x = 1,419,538,954,682.11
  5. Step 5: Solve for x
    x = 1,419,538,954,682.11/1,226,443.50
  6. Step 6: Final answer
    x = 1,157,443.42

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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.