Home / 1,879,448.06-2,819,172.09-459,487.28

Finding the Fourth Proportional to 1,879,448.06, 2,819,172.09 and 459,487.28

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Solution

The fourth proportional to 1,879,448.06, 2,819,172.09 and 459,487.28 is: 689,230.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,448.06 : 2,819,172.09 = 459,487.28 : x
  2. Step 2: Convert to fraction form
    1,879,448.06/2,819,172.09 = 459,487.28/x
  3. Step 3: Cross multiply
    1,879,448.06x = 2,819,172.09 × 459,487.28
  4. Step 4: Simplify right side
    1,879,448.06x = 1,295,373,715,486.02
  5. Step 5: Solve for x
    x = 1,295,373,715,486.02/1,879,448.06
  6. Step 6: Final answer
    x = 689,230.92

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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.