Home / 1,682,584.80-2,523,877.20-685,312.80

Finding the Fourth Proportional to 1,682,584.80, 2,523,877.20 and 685,312.80

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Solution

The fourth proportional to 1,682,584.80, 2,523,877.20 and 685,312.80 is: 1,027,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,584.80 : 2,523,877.20 = 685,312.80 : x
  2. Step 2: Convert to fraction form
    1,682,584.80/2,523,877.20 = 685,312.80/x
  3. Step 3: Cross multiply
    1,682,584.80x = 2,523,877.20 × 685,312.80
  4. Step 4: Simplify right side
    1,682,584.80x = 1,729,645,350,788.16
  5. Step 5: Solve for x
    x = 1,729,645,350,788.16/1,682,584.80
  6. Step 6: Final answer
    x = 1,027,969.20

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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.