Home / 854,789.70-1,185,004.10-809,285.52

Finding the Fourth Proportional to 854,789.70, 1,185,004.10 and 809,285.52

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Solution

The fourth proportional to 854,789.70, 1,185,004.10 and 809,285.52 is: 1,121,921.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,789.70 : 1,185,004.10 = 809,285.52 : x
  2. Step 2: Convert to fraction form
    854,789.70/1,185,004.10 = 809,285.52/x
  3. Step 3: Cross multiply
    854,789.70x = 1,185,004.10 × 809,285.52
  4. Step 4: Simplify right side
    854,789.70x = 959,006,655,224.20
  5. Step 5: Solve for x
    x = 959,006,655,224.20/854,789.70
  6. Step 6: Final answer
    x = 1,121,921.16

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.