Home / 1,079,809.58-1,490,425.44-620,974.28

Finding the Fourth Proportional to 1,079,809.58, 1,490,425.44 and 620,974.28

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Solution

The fourth proportional to 1,079,809.58, 1,490,425.44 and 620,974.28 is: 857,110.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,809.58 : 1,490,425.44 = 620,974.28 : x
  2. Step 2: Convert to fraction form
    1,079,809.58/1,490,425.44 = 620,974.28/x
  3. Step 3: Cross multiply
    1,079,809.58x = 1,490,425.44 × 620,974.28
  4. Step 4: Simplify right side
    1,079,809.58x = 925,515,864,497.68
  5. Step 5: Solve for x
    x = 925,515,864,497.68/1,079,809.58
  6. Step 6: Final answer
    x = 857,110.26

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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.