Home / 1,138,924.21-1,571,748.21-629,659.39

Finding the Fourth Proportional to 1,138,924.21, 1,571,748.21 and 629,659.39

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Solution

The fourth proportional to 1,138,924.21, 1,571,748.21 and 629,659.39 is: 868,948.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,924.21 : 1,571,748.21 = 629,659.39 : x
  2. Step 2: Convert to fraction form
    1,138,924.21/1,571,748.21 = 629,659.39/x
  3. Step 3: Cross multiply
    1,138,924.21x = 1,571,748.21 × 629,659.39
  4. Step 4: Simplify right side
    1,138,924.21x = 989,666,008,135.15
  5. Step 5: Solve for x
    x = 989,666,008,135.15/1,138,924.21
  6. Step 6: Final answer
    x = 868,948.09

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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.