Home / 1,420,241.58-1,959,945.93-808,433.73

Finding the Fourth Proportional to 1,420,241.58, 1,959,945.93 and 808,433.73

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Solution

The fourth proportional to 1,420,241.58, 1,959,945.93 and 808,433.73 is: 1,115,645.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,241.58 : 1,959,945.93 = 808,433.73 : x
  2. Step 2: Convert to fraction form
    1,420,241.58/1,959,945.93 = 808,433.73/x
  3. Step 3: Cross multiply
    1,420,241.58x = 1,959,945.93 × 808,433.73
  4. Step 4: Simplify right side
    1,420,241.58x = 1,584,486,398,788.22
  5. Step 5: Solve for x
    x = 1,584,486,398,788.22/1,420,241.58
  6. Step 6: Final answer
    x = 1,115,645.69

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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.