Home / 1,065,159.36-1,469,956.18-629,949.78

Finding the Fourth Proportional to 1,065,159.36, 1,469,956.18 and 629,949.78

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Solution

The fourth proportional to 1,065,159.36, 1,469,956.18 and 629,949.78 is: 869,352.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,159.36 : 1,469,956.18 = 629,949.78 : x
  2. Step 2: Convert to fraction form
    1,065,159.36/1,469,956.18 = 629,949.78/x
  3. Step 3: Cross multiply
    1,065,159.36x = 1,469,956.18 × 629,949.78
  4. Step 4: Simplify right side
    1,065,159.36x = 925,998,572,200.64
  5. Step 5: Solve for x
    x = 925,998,572,200.64/1,065,159.36
  6. Step 6: Final answer
    x = 869,352.14

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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.