Home / 1,086,311.94-1,628,921.16-376,149.30

Finding the Fourth Proportional to 1,086,311.94, 1,628,921.16 and 376,149.30

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Solution

The fourth proportional to 1,086,311.94, 1,628,921.16 and 376,149.30 is: 564,034.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,311.94 : 1,628,921.16 = 376,149.30 : x
  2. Step 2: Convert to fraction form
    1,086,311.94/1,628,921.16 = 376,149.30/x
  3. Step 3: Cross multiply
    1,086,311.94x = 1,628,921.16 × 376,149.30
  4. Step 4: Simplify right side
    1,086,311.94x = 612,717,554,089.19
  5. Step 5: Solve for x
    x = 612,717,554,089.19/1,086,311.94
  6. Step 6: Final answer
    x = 564,034.63

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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.