Home / 1,299,107.62-1,791,137.13-993,558.82

Finding the Fourth Proportional to 1,299,107.62, 1,791,137.13 and 993,558.82

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Solution

The fourth proportional to 1,299,107.62, 1,791,137.13 and 993,558.82 is: 1,369,863.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,107.62 : 1,791,137.13 = 993,558.82 : x
  2. Step 2: Convert to fraction form
    1,299,107.62/1,791,137.13 = 993,558.82/x
  3. Step 3: Cross multiply
    1,299,107.62x = 1,791,137.13 × 993,558.82
  4. Step 4: Simplify right side
    1,299,107.62x = 1,779,600,093,340.99
  5. Step 5: Solve for x
    x = 1,779,600,093,340.99/1,299,107.62
  6. Step 6: Final answer
    x = 1,369,863.49

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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.