Home / 1,329,072.08-1,993,669.56-331,808.72

Finding the Fourth Proportional to 1,329,072.08, 1,993,669.56 and 331,808.72

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Solution

The fourth proportional to 1,329,072.08, 1,993,669.56 and 331,808.72 is: 497,728.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,072.08 : 1,993,669.56 = 331,808.72 : x
  2. Step 2: Convert to fraction form
    1,329,072.08/1,993,669.56 = 331,808.72/x
  3. Step 3: Cross multiply
    1,329,072.08x = 1,993,669.56 × 331,808.72
  4. Step 4: Simplify right side
    1,329,072.08x = 661,516,944,806.56
  5. Step 5: Solve for x
    x = 661,516,944,806.56/1,329,072.08
  6. Step 6: Final answer
    x = 497,728.42

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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.