Home / 1,869,131.25-2,803,696.61-449,187.32

Finding the Fourth Proportional to 1,869,131.25, 2,803,696.61 and 449,187.32

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Solution

The fourth proportional to 1,869,131.25, 2,803,696.61 and 449,187.32 is: 673,780.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,131.25 : 2,803,696.61 = 449,187.32 : x
  2. Step 2: Convert to fraction form
    1,869,131.25/2,803,696.61 = 449,187.32/x
  3. Step 3: Cross multiply
    1,869,131.25x = 2,803,696.61 × 449,187.32
  4. Step 4: Simplify right side
    1,869,131.25x = 1,259,384,971,102.29
  5. Step 5: Solve for x
    x = 1,259,384,971,102.29/1,869,131.25
  6. Step 6: Final answer
    x = 673,780.92

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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.