Home / 1,231,640.10-1,847,460.15-806,487.30

Finding the Fourth Proportional to 1,231,640.10, 1,847,460.15 and 806,487.30

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Solution

The fourth proportional to 1,231,640.10, 1,847,460.15 and 806,487.30 is: 1,209,730.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,640.10 : 1,847,460.15 = 806,487.30 : x
  2. Step 2: Convert to fraction form
    1,231,640.10/1,847,460.15 = 806,487.30/x
  3. Step 3: Cross multiply
    1,231,640.10x = 1,847,460.15 × 806,487.30
  4. Step 4: Simplify right side
    1,231,640.10x = 1,489,953,148,231.10
  5. Step 5: Solve for x
    x = 1,489,953,148,231.10/1,231,640.10
  6. Step 6: Final answer
    x = 1,209,730.95

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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.