Home / 1,292,471.83-1,782,450.01-809,081.04

Finding the Fourth Proportional to 1,292,471.83, 1,782,450.01 and 809,081.04

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Solution

The fourth proportional to 1,292,471.83, 1,782,450.01 and 809,081.04 is: 1,115,804.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,471.83 : 1,782,450.01 = 809,081.04 : x
  2. Step 2: Convert to fraction form
    1,292,471.83/1,782,450.01 = 809,081.04/x
  3. Step 3: Cross multiply
    1,292,471.83x = 1,782,450.01 × 809,081.04
  4. Step 4: Simplify right side
    1,292,471.83x = 1,442,146,503,793.41
  5. Step 5: Solve for x
    x = 1,442,146,503,793.41/1,292,471.83
  6. Step 6: Final answer
    x = 1,115,804.98

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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.