Home / 1,761,628.27-2,431,217.66-987,390.63

Finding the Fourth Proportional to 1,761,628.27, 2,431,217.66 and 987,390.63

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Solution

The fourth proportional to 1,761,628.27, 2,431,217.66 and 987,390.63 is: 1,362,694.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,628.27 : 2,431,217.66 = 987,390.63 : x
  2. Step 2: Convert to fraction form
    1,761,628.27/2,431,217.66 = 987,390.63/x
  3. Step 3: Cross multiply
    1,761,628.27x = 2,431,217.66 × 987,390.63
  4. Step 4: Simplify right side
    1,761,628.27x = 2,400,561,536,974.53
  5. Step 5: Solve for x
    x = 2,400,561,536,974.53/1,761,628.27
  6. Step 6: Final answer
    x = 1,362,694.72

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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.