Home / 1,418,883.57-1,954,732.37-988,384.77

Finding the Fourth Proportional to 1,418,883.57, 1,954,732.37 and 988,384.77

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Solution

The fourth proportional to 1,418,883.57, 1,954,732.37 and 988,384.77 is: 1,361,653.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,883.57 : 1,954,732.37 = 988,384.77 : x
  2. Step 2: Convert to fraction form
    1,418,883.57/1,954,732.37 = 988,384.77/x
  3. Step 3: Cross multiply
    1,418,883.57x = 1,954,732.37 × 988,384.77
  4. Step 4: Simplify right side
    1,418,883.57x = 1,932,027,698,992.08
  5. Step 5: Solve for x
    x = 1,932,027,698,992.08/1,418,883.57
  6. Step 6: Final answer
    x = 1,361,653.44

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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.