Home / 1,640,720.10-2,457,143.55-798,287.70

Finding the Fourth Proportional to 1,640,720.10, 2,457,143.55 and 798,287.70

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Solution

The fourth proportional to 1,640,720.10, 2,457,143.55 and 798,287.70 is: 1,195,516.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,720.10 : 2,457,143.55 = 798,287.70 : x
  2. Step 2: Convert to fraction form
    1,640,720.10/2,457,143.55 = 798,287.70/x
  3. Step 3: Cross multiply
    1,640,720.10x = 2,457,143.55 × 798,287.70
  4. Step 4: Simplify right side
    1,640,720.10x = 1,961,507,473,099.33
  5. Step 5: Solve for x
    x = 1,961,507,473,099.33/1,640,720.10
  6. Step 6: Final answer
    x = 1,195,516.21

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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.