Home / 1,268,857.98-1,751,020.47-725,162.49

Finding the Fourth Proportional to 1,268,857.98, 1,751,020.47 and 725,162.49

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Solution

The fourth proportional to 1,268,857.98, 1,751,020.47 and 725,162.49 is: 1,000,722.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,857.98 : 1,751,020.47 = 725,162.49 : x
  2. Step 2: Convert to fraction form
    1,268,857.98/1,751,020.47 = 725,162.49/x
  3. Step 3: Cross multiply
    1,268,857.98x = 1,751,020.47 × 725,162.49
  4. Step 4: Simplify right side
    1,268,857.98x = 1,269,774,364,066.17
  5. Step 5: Solve for x
    x = 1,269,774,364,066.17/1,268,857.98
  6. Step 6: Final answer
    x = 1,000,722.21

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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.