Home / 1,640,790.60-2,457,249.30-798,358.20

Finding the Fourth Proportional to 1,640,790.60, 2,457,249.30 and 798,358.20

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Solution

The fourth proportional to 1,640,790.60, 2,457,249.30 and 798,358.20 is: 1,195,621.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,790.60 : 2,457,249.30 = 798,358.20 : x
  2. Step 2: Convert to fraction form
    1,640,790.60/2,457,249.30 = 798,358.20/x
  3. Step 3: Cross multiply
    1,640,790.60x = 2,457,249.30 × 798,358.20
  4. Step 4: Simplify right side
    1,640,790.60x = 1,961,765,128,099.26
  5. Step 5: Solve for x
    x = 1,961,765,128,099.26/1,640,790.60
  6. Step 6: Final answer
    x = 1,195,621.87

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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.