Home / 1,278,100.18-1,763,883.65-726,988.49

Finding the Fourth Proportional to 1,278,100.18, 1,763,883.65 and 726,988.49

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Solution

The fourth proportional to 1,278,100.18, 1,763,883.65 and 726,988.49 is: 1,003,304.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,100.18 : 1,763,883.65 = 726,988.49 : x
  2. Step 2: Convert to fraction form
    1,278,100.18/1,763,883.65 = 726,988.49/x
  3. Step 3: Cross multiply
    1,278,100.18x = 1,763,883.65 × 726,988.49
  4. Step 4: Simplify right side
    1,278,100.18x = 1,282,323,107,614.25
  5. Step 5: Solve for x
    x = 1,282,323,107,614.25/1,278,100.18
  6. Step 6: Final answer
    x = 1,003,304.07

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