Home / 1,420,870.74-2,129,469-1,063,077.54

Finding the Fourth Proportional to 1,420,870.74, 2,129,469 and 1,063,077.54

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Solution

The fourth proportional to 1,420,870.74, 2,129,469 and 1,063,077.54 is: 1,593,241.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,870.74 : 2,129,469 = 1,063,077.54 : x
  2. Step 2: Convert to fraction form
    1,420,870.74/2,129,469 = 1,063,077.54/x
  3. Step 3: Cross multiply
    1,420,870.74x = 2,129,469 × 1,063,077.54
  4. Step 4: Simplify right side
    1,420,870.74x = 2,263,790,666,026.26
  5. Step 5: Solve for x
    x = 2,263,790,666,026.26/1,420,870.74
  6. Step 6: Final answer
    x = 1,593,241.81

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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.