Home / 1,366,945.60-2,052,103.20-861,505.60

Finding the Fourth Proportional to 1,366,945.60, 2,052,103.20 and 861,505.60

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Solution

The fourth proportional to 1,366,945.60, 2,052,103.20 and 861,505.60 is: 1,293,320.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,945.60 : 2,052,103.20 = 861,505.60 : x
  2. Step 2: Convert to fraction form
    1,366,945.60/2,052,103.20 = 861,505.60/x
  3. Step 3: Cross multiply
    1,366,945.60x = 2,052,103.20 × 861,505.60
  4. Step 4: Simplify right side
    1,366,945.60x = 1,767,898,398,577.92
  5. Step 5: Solve for x
    x = 1,767,898,398,577.92/1,366,945.60
  6. Step 6: Final answer
    x = 1,293,320.23

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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.