Home / 1,445,389.61-1,994,611.80-800,796.88

Finding the Fourth Proportional to 1,445,389.61, 1,994,611.80 and 800,796.88

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Solution

The fourth proportional to 1,445,389.61, 1,994,611.80 and 800,796.88 is: 1,105,085.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,389.61 : 1,994,611.80 = 800,796.88 : x
  2. Step 2: Convert to fraction form
    1,445,389.61/1,994,611.80 = 800,796.88/x
  3. Step 3: Cross multiply
    1,445,389.61x = 1,994,611.80 × 800,796.88
  4. Step 4: Simplify right side
    1,445,389.61x = 1,597,278,906,251.18
  5. Step 5: Solve for x
    x = 1,597,278,906,251.18/1,445,389.61
  6. Step 6: Final answer
    x = 1,105,085.37

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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.