Home / 1,879,450.06-2,819,175.09-459,489.28

Finding the Fourth Proportional to 1,879,450.06, 2,819,175.09 and 459,489.28

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Solution

The fourth proportional to 1,879,450.06, 2,819,175.09 and 459,489.28 is: 689,233.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,450.06 : 2,819,175.09 = 459,489.28 : x
  2. Step 2: Convert to fraction form
    1,879,450.06/2,819,175.09 = 459,489.28/x
  3. Step 3: Cross multiply
    1,879,450.06x = 2,819,175.09 × 459,489.28
  4. Step 4: Simplify right side
    1,879,450.06x = 1,295,380,732,298.04
  5. Step 5: Solve for x
    x = 1,295,380,732,298.04/1,879,450.06
  6. Step 6: Final answer
    x = 689,233.92

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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.