Home / 1,247,755.08-1,721,109.24-818,063.04

Finding the Fourth Proportional to 1,247,755.08, 1,721,109.24 and 818,063.04

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Solution

The fourth proportional to 1,247,755.08, 1,721,109.24 and 818,063.04 is: 1,128,407.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,755.08 : 1,721,109.24 = 818,063.04 : x
  2. Step 2: Convert to fraction form
    1,247,755.08/1,721,109.24 = 818,063.04/x
  3. Step 3: Cross multiply
    1,247,755.08x = 1,721,109.24 × 818,063.04
  4. Step 4: Simplify right side
    1,247,755.08x = 1,407,975,857,046.49
  5. Step 5: Solve for x
    x = 1,407,975,857,046.49/1,247,755.08
  6. Step 6: Final answer
    x = 1,128,407.23

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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.