Home / 1,330,072-1,835,499.36-726,461.44

Finding the Fourth Proportional to 1,330,072, 1,835,499.36 and 726,461.44

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Solution

The fourth proportional to 1,330,072, 1,835,499.36 and 726,461.44 is: 1,002,516.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,072 : 1,835,499.36 = 726,461.44 : x
  2. Step 2: Convert to fraction form
    1,330,072/1,835,499.36 = 726,461.44/x
  3. Step 3: Cross multiply
    1,330,072x = 1,835,499.36 × 726,461.44
  4. Step 4: Simplify right side
    1,330,072x = 1,333,419,508,184.68
  5. Step 5: Solve for x
    x = 1,333,419,508,184.68/1,330,072
  6. Step 6: Final answer
    x = 1,002,516.79

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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.