Home / 1,313,761.59-1,813,044.78-830,150.28

Finding the Fourth Proportional to 1,313,761.59, 1,813,044.78 and 830,150.28

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Solution

The fourth proportional to 1,313,761.59, 1,813,044.78 and 830,150.28 is: 1,145,641.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,761.59 : 1,813,044.78 = 830,150.28 : x
  2. Step 2: Convert to fraction form
    1,313,761.59/1,813,044.78 = 830,150.28/x
  3. Step 3: Cross multiply
    1,313,761.59x = 1,813,044.78 × 830,150.28
  4. Step 4: Simplify right side
    1,313,761.59x = 1,505,099,631,769.54
  5. Step 5: Solve for x
    x = 1,505,099,631,769.54/1,313,761.59
  6. Step 6: Final answer
    x = 1,145,641.37

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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.