Home / 1,790,640.72-2,686,153.05-766,077.39

Finding the Fourth Proportional to 1,790,640.72, 2,686,153.05 and 766,077.39

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Solution

The fourth proportional to 1,790,640.72, 2,686,153.05 and 766,077.39 is: 1,149,198.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,640.72 : 2,686,153.05 = 766,077.39 : x
  2. Step 2: Convert to fraction form
    1,790,640.72/2,686,153.05 = 766,077.39/x
  3. Step 3: Cross multiply
    1,790,640.72x = 2,686,153.05 × 766,077.39
  4. Step 4: Simplify right side
    1,790,640.72x = 2,057,801,117,684.54
  5. Step 5: Solve for x
    x = 2,057,801,117,684.54/1,790,640.72
  6. Step 6: Final answer
    x = 1,149,198.21

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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.