Home / 1,325,288.72-1,828,850.43-809,904.86

Finding the Fourth Proportional to 1,325,288.72, 1,828,850.43 and 809,904.86

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Solution

The fourth proportional to 1,325,288.72, 1,828,850.43 and 809,904.86 is: 1,117,639.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,288.72 : 1,828,850.43 = 809,904.86 : x
  2. Step 2: Convert to fraction form
    1,325,288.72/1,828,850.43 = 809,904.86/x
  3. Step 3: Cross multiply
    1,325,288.72x = 1,828,850.43 × 809,904.86
  4. Step 4: Simplify right side
    1,325,288.72x = 1,481,194,852,221.17
  5. Step 5: Solve for x
    x = 1,481,194,852,221.17/1,325,288.72
  6. Step 6: Final answer
    x = 1,117,639.37

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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.