Home / 1,364,387.64-1,883,593.20-820,644.84

Finding the Fourth Proportional to 1,364,387.64, 1,883,593.20 and 820,644.84

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Solution

The fourth proportional to 1,364,387.64, 1,883,593.20 and 820,644.84 is: 1,132,933.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364,387.64 : 1,883,593.20 = 820,644.84 : x
  2. Step 2: Convert to fraction form
    1,364,387.64/1,883,593.20 = 820,644.84/x
  3. Step 3: Cross multiply
    1,364,387.64x = 1,883,593.20 × 820,644.84
  4. Step 4: Simplify right side
    1,364,387.64x = 1,545,761,040,239.09
  5. Step 5: Solve for x
    x = 1,545,761,040,239.09/1,364,387.64
  6. Step 6: Final answer
    x = 1,132,933.92

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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.