Home / 1,410,939.20-2,115,796.42-512,082.20

Finding the Fourth Proportional to 1,410,939.20, 2,115,796.42 and 512,082.20

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Solution

The fourth proportional to 1,410,939.20, 2,115,796.42 and 512,082.20 is: 767,901.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,939.20 : 2,115,796.42 = 512,082.20 : x
  2. Step 2: Convert to fraction form
    1,410,939.20/2,115,796.42 = 512,082.20/x
  3. Step 3: Cross multiply
    1,410,939.20x = 2,115,796.42 × 512,082.20
  4. Step 4: Simplify right side
    1,410,939.20x = 1,083,461,685,505.72
  5. Step 5: Solve for x
    x = 1,083,461,685,505.72/1,410,939.20
  6. Step 6: Final answer
    x = 767,901.04

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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.