Home / 1,245,006.14-1,718,112.03-721,818.43

Finding the Fourth Proportional to 1,245,006.14, 1,718,112.03 and 721,818.43

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Solution

The fourth proportional to 1,245,006.14, 1,718,112.03 and 721,818.43 is: 996,111.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,006.14 : 1,718,112.03 = 721,818.43 : x
  2. Step 2: Convert to fraction form
    1,245,006.14/1,718,112.03 = 721,818.43/x
  3. Step 3: Cross multiply
    1,245,006.14x = 1,718,112.03 × 721,818.43
  4. Step 4: Simplify right side
    1,245,006.14x = 1,240,164,919,468.15
  5. Step 5: Solve for x
    x = 1,240,164,919,468.15/1,245,006.14
  6. Step 6: Final answer
    x = 996,111.49

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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.