Home / 1,433,443-2,150,116.80-422,581.72

Finding the Fourth Proportional to 1,433,443, 2,150,116.80 and 422,581.72

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Solution

The fourth proportional to 1,433,443, 2,150,116.80 and 422,581.72 is: 633,858.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,443 : 2,150,116.80 = 422,581.72 : x
  2. Step 2: Convert to fraction form
    1,433,443/2,150,116.80 = 422,581.72/x
  3. Step 3: Cross multiply
    1,433,443x = 2,150,116.80 × 422,581.72
  4. Step 4: Simplify right side
    1,433,443x = 908,600,055,544.90
  5. Step 5: Solve for x
    x = 908,600,055,544.90/1,433,443
  6. Step 6: Final answer
    x = 633,858.52

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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.