Home / 1,747,858-2,621,929.24-485,685.68

Finding the Fourth Proportional to 1,747,858, 2,621,929.24 and 485,685.68

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Solution

The fourth proportional to 1,747,858, 2,621,929.24 and 485,685.68 is: 728,568.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747,858 : 2,621,929.24 = 485,685.68 : x
  2. Step 2: Convert to fraction form
    1,747,858/2,621,929.24 = 485,685.68/x
  3. Step 3: Cross multiply
    1,747,858x = 2,621,929.24 × 485,685.68
  4. Step 4: Simplify right side
    1,747,858x = 1,273,433,485,841.28
  5. Step 5: Solve for x
    x = 1,273,433,485,841.28/1,747,858
  6. Step 6: Final answer
    x = 728,568.04

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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.