Home / 1,177,721.78-1,762,890.69-810,842.96

Finding the Fourth Proportional to 1,177,721.78, 1,762,890.69 and 810,842.96

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Solution

The fourth proportional to 1,177,721.78, 1,762,890.69 and 810,842.96 is: 1,213,722.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,721.78 : 1,762,890.69 = 810,842.96 : x
  2. Step 2: Convert to fraction form
    1,177,721.78/1,762,890.69 = 810,842.96/x
  3. Step 3: Cross multiply
    1,177,721.78x = 1,762,890.69 × 810,842.96
  4. Step 4: Simplify right side
    1,177,721.78x = 1,429,427,505,236.04
  5. Step 5: Solve for x
    x = 1,429,427,505,236.04/1,177,721.78
  6. Step 6: Final answer
    x = 1,213,722.57

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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.