Home / 1,418,882.82-1,954,731.33-988,384.02

Finding the Fourth Proportional to 1,418,882.82, 1,954,731.33 and 988,384.02

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Solution

The fourth proportional to 1,418,882.82, 1,954,731.33 and 988,384.02 is: 1,361,652.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,882.82 : 1,954,731.33 = 988,384.02 : x
  2. Step 2: Convert to fraction form
    1,418,882.82/1,954,731.33 = 988,384.02/x
  3. Step 3: Cross multiply
    1,418,882.82x = 1,954,731.33 × 988,384.02
  4. Step 4: Simplify right side
    1,418,882.82x = 1,932,025,209,965.35
  5. Step 5: Solve for x
    x = 1,932,025,209,965.35/1,418,882.82
  6. Step 6: Final answer
    x = 1,361,652.41

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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.