Home / 1,138,641.03-1,571,297.22-622,371.69

Finding the Fourth Proportional to 1,138,641.03, 1,571,297.22 and 622,371.69

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Solution

The fourth proportional to 1,138,641.03, 1,571,297.22 and 622,371.69 is: 858,857.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,641.03 : 1,571,297.22 = 622,371.69 : x
  2. Step 2: Convert to fraction form
    1,138,641.03/1,571,297.22 = 622,371.69/x
  3. Step 3: Cross multiply
    1,138,641.03x = 1,571,297.22 × 622,371.69
  4. Step 4: Simplify right side
    1,138,641.03x = 977,930,906,303.70
  5. Step 5: Solve for x
    x = 977,930,906,303.70/1,138,641.03
  6. Step 6: Final answer
    x = 858,857.95

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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.