Home / 1,229,129.40-1,843,694.10-629,891.40

Finding the Fourth Proportional to 1,229,129.40, 1,843,694.10 and 629,891.40

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Solution

The fourth proportional to 1,229,129.40, 1,843,694.10 and 629,891.40 is: 944,837.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,129.40 : 1,843,694.10 = 629,891.40 : x
  2. Step 2: Convert to fraction form
    1,229,129.40/1,843,694.10 = 629,891.40/x
  3. Step 3: Cross multiply
    1,229,129.40x = 1,843,694.10 × 629,891.40
  4. Step 4: Simplify right side
    1,229,129.40x = 1,161,327,057,820.74
  5. Step 5: Solve for x
    x = 1,161,327,057,820.74/1,229,129.40
  6. Step 6: Final answer
    x = 944,837.10

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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.