Home / 1,330,953.84-1,996,401.60-371,383.88

Finding the Fourth Proportional to 1,330,953.84, 1,996,401.60 and 371,383.88

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Solution

The fourth proportional to 1,330,953.84, 1,996,401.60 and 371,383.88 is: 557,067.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,953.84 : 1,996,401.60 = 371,383.88 : x
  2. Step 2: Convert to fraction form
    1,330,953.84/1,996,401.60 = 371,383.88/x
  3. Step 3: Cross multiply
    1,330,953.84x = 1,996,401.60 × 371,383.88
  4. Step 4: Simplify right side
    1,330,953.84x = 741,431,372,246.21
  5. Step 5: Solve for x
    x = 741,431,372,246.21/1,330,953.84
  6. Step 6: Final answer
    x = 557,067.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.