Home / 1,418,882.32-1,954,730.64-988,383.52

Finding the Fourth Proportional to 1,418,882.32, 1,954,730.64 and 988,383.52

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Solution

The fourth proportional to 1,418,882.32, 1,954,730.64 and 988,383.52 is: 1,361,651.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,882.32 : 1,954,730.64 = 988,383.52 : x
  2. Step 2: Convert to fraction form
    1,418,882.32/1,954,730.64 = 988,383.52/x
  3. Step 3: Cross multiply
    1,418,882.32x = 1,954,730.64 × 988,383.52
  4. Step 4: Simplify right side
    1,418,882.32x = 1,932,023,550,615.05
  5. Step 5: Solve for x
    x = 1,932,023,550,615.05/1,418,882.32
  6. Step 6: Final answer
    x = 1,361,651.72

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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.