Home / 1,210,254.72-1,669,414.68-745,183.44

Finding the Fourth Proportional to 1,210,254.72, 1,669,414.68 and 745,183.44

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Solution

The fourth proportional to 1,210,254.72, 1,669,414.68 and 745,183.44 is: 1,027,899.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,254.72 : 1,669,414.68 = 745,183.44 : x
  2. Step 2: Convert to fraction form
    1,210,254.72/1,669,414.68 = 745,183.44/x
  3. Step 3: Cross multiply
    1,210,254.72x = 1,669,414.68 × 745,183.44
  4. Step 4: Simplify right side
    1,210,254.72x = 1,244,020,174,028.90
  5. Step 5: Solve for x
    x = 1,244,020,174,028.90/1,210,254.72
  6. Step 6: Final answer
    x = 1,027,899.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.