Home / 1,214,392.32-1,675,837.44-677,836.80

Finding the Fourth Proportional to 1,214,392.32, 1,675,837.44 and 677,836.80

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Solution

The fourth proportional to 1,214,392.32, 1,675,837.44 and 677,836.80 is: 935,401.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,392.32 : 1,675,837.44 = 677,836.80 : x
  2. Step 2: Convert to fraction form
    1,214,392.32/1,675,837.44 = 677,836.80/x
  3. Step 3: Cross multiply
    1,214,392.32x = 1,675,837.44 × 677,836.80
  4. Step 4: Simplify right side
    1,214,392.32x = 1,135,944,287,649.79
  5. Step 5: Solve for x
    x = 1,135,944,287,649.79/1,214,392.32
  6. Step 6: Final answer
    x = 935,401.41

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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.