Home / 1,278,654.71-1,917,768.21-468,871.79

Finding the Fourth Proportional to 1,278,654.71, 1,917,768.21 and 468,871.79

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Solution

The fourth proportional to 1,278,654.71, 1,917,768.21 and 468,871.79 is: 703,229.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,654.71 : 1,917,768.21 = 468,871.79 : x
  2. Step 2: Convert to fraction form
    1,278,654.71/1,917,768.21 = 468,871.79/x
  3. Step 3: Cross multiply
    1,278,654.71x = 1,917,768.21 × 468,871.79
  4. Step 4: Simplify right side
    1,278,654.71x = 899,187,403,838.96
  5. Step 5: Solve for x
    x = 899,187,403,838.96/1,278,654.71
  6. Step 6: Final answer
    x = 703,229.26

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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.