Home / 1,643,119.45-2,464,306.57-743,967.61

Finding the Fourth Proportional to 1,643,119.45, 2,464,306.57 and 743,967.61

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Solution

The fourth proportional to 1,643,119.45, 2,464,306.57 and 743,967.61 is: 1,115,782.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,119.45 : 2,464,306.57 = 743,967.61 : x
  2. Step 2: Convert to fraction form
    1,643,119.45/2,464,306.57 = 743,967.61/x
  3. Step 3: Cross multiply
    1,643,119.45x = 2,464,306.57 × 743,967.61
  4. Step 4: Simplify right side
    1,643,119.45x = 1,833,364,269,190.20
  5. Step 5: Solve for x
    x = 1,833,364,269,190.20/1,643,119.45
  6. Step 6: Final answer
    x = 1,115,782.71

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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.