Home / 1,081,174.41-1,491,773.22-645,507.12

Finding the Fourth Proportional to 1,081,174.41, 1,491,773.22 and 645,507.12

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Solution

The fourth proportional to 1,081,174.41, 1,491,773.22 and 645,507.12 is: 890,652.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,174.41 : 1,491,773.22 = 645,507.12 : x
  2. Step 2: Convert to fraction form
    1,081,174.41/1,491,773.22 = 645,507.12/x
  3. Step 3: Cross multiply
    1,081,174.41x = 1,491,773.22 × 645,507.12
  4. Step 4: Simplify right side
    1,081,174.41x = 962,950,234,935.33
  5. Step 5: Solve for x
    x = 962,950,234,935.33/1,081,174.41
  6. Step 6: Final answer
    x = 890,652.08

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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.