Home / 1,189,048.26-1,782,813.78-783,772.59

Finding the Fourth Proportional to 1,189,048.26, 1,782,813.78 and 783,772.59

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Solution

The fourth proportional to 1,189,048.26, 1,782,813.78 and 783,772.59 is: 1,175,158.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,048.26 : 1,782,813.78 = 783,772.59 : x
  2. Step 2: Convert to fraction form
    1,189,048.26/1,782,813.78 = 783,772.59/x
  3. Step 3: Cross multiply
    1,189,048.26x = 1,782,813.78 × 783,772.59
  4. Step 4: Simplify right side
    1,189,048.26x = 1,397,320,573,838.29
  5. Step 5: Solve for x
    x = 1,397,320,573,838.29/1,189,048.26
  6. Step 6: Final answer
    x = 1,175,158.84

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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.