Home / 1,382,249.04-1,907,522.76-770,384.76

Finding the Fourth Proportional to 1,382,249.04, 1,907,522.76 and 770,384.76

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Solution

The fourth proportional to 1,382,249.04, 1,907,522.76 and 770,384.76 is: 1,063,141.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,249.04 : 1,907,522.76 = 770,384.76 : x
  2. Step 2: Convert to fraction form
    1,382,249.04/1,907,522.76 = 770,384.76/x
  3. Step 3: Cross multiply
    1,382,249.04x = 1,907,522.76 × 770,384.76
  4. Step 4: Simplify right side
    1,382,249.04x = 1,469,526,463,657.14
  5. Step 5: Solve for x
    x = 1,469,526,463,657.14/1,382,249.04
  6. Step 6: Final answer
    x = 1,063,141.61

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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.