Home / 1,131,941.82-1,697,696.09-439,508.79

Finding the Fourth Proportional to 1,131,941.82, 1,697,696.09 and 439,508.79

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Solution

The fourth proportional to 1,131,941.82, 1,697,696.09 and 439,508.79 is: 659,179.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,941.82 : 1,697,696.09 = 439,508.79 : x
  2. Step 2: Convert to fraction form
    1,131,941.82/1,697,696.09 = 439,508.79/x
  3. Step 3: Cross multiply
    1,131,941.82x = 1,697,696.09 × 439,508.79
  4. Step 4: Simplify right side
    1,131,941.82x = 746,152,352,106.09
  5. Step 5: Solve for x
    x = 746,152,352,106.09/1,131,941.82
  6. Step 6: Final answer
    x = 659,179.07

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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.