Home / 1,172,313.94-1,617,793.24-663,005.38

Finding the Fourth Proportional to 1,172,313.94, 1,617,793.24 and 663,005.38

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Solution

The fourth proportional to 1,172,313.94, 1,617,793.24 and 663,005.38 is: 914,947.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,313.94 : 1,617,793.24 = 663,005.38 : x
  2. Step 2: Convert to fraction form
    1,172,313.94/1,617,793.24 = 663,005.38/x
  3. Step 3: Cross multiply
    1,172,313.94x = 1,617,793.24 × 663,005.38
  4. Step 4: Simplify right side
    1,172,313.94x = 1,072,605,614,488.12
  5. Step 5: Solve for x
    x = 1,072,605,614,488.12/1,172,313.94
  6. Step 6: Final answer
    x = 914,947.42

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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.