Home / 1,418,884.57-1,954,733.74-988,385.77

Finding the Fourth Proportional to 1,418,884.57, 1,954,733.74 and 988,385.77

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Solution

The fourth proportional to 1,418,884.57, 1,954,733.74 and 988,385.77 is: 1,361,654.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,884.57 : 1,954,733.74 = 988,385.77 : x
  2. Step 2: Convert to fraction form
    1,418,884.57/1,954,733.74 = 988,385.77/x
  3. Step 3: Cross multiply
    1,418,884.57x = 1,954,733.74 × 988,385.77
  4. Step 4: Simplify right side
    1,418,884.57x = 1,932,031,012,754.88
  5. Step 5: Solve for x
    x = 1,932,031,012,754.88/1,418,884.57
  6. Step 6: Final answer
    x = 1,361,654.82

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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.