Home / 1,465,502.12-2,022,370.75-820,945.38

Finding the Fourth Proportional to 1,465,502.12, 2,022,370.75 and 820,945.38

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Solution

The fourth proportional to 1,465,502.12, 2,022,370.75 and 820,945.38 is: 1,132,892.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,502.12 : 2,022,370.75 = 820,945.38 : x
  2. Step 2: Convert to fraction form
    1,465,502.12/2,022,370.75 = 820,945.38/x
  3. Step 3: Cross multiply
    1,465,502.12x = 2,022,370.75 × 820,945.38
  4. Step 4: Simplify right side
    1,465,502.12x = 1,660,255,932,469.71
  5. Step 5: Solve for x
    x = 1,660,255,932,469.71/1,465,502.12
  6. Step 6: Final answer
    x = 1,132,892.21

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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.