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Finding the Fourth Proportional to 881,430.10, 1,322,145.15 and 804,015.70

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Solution

The fourth proportional to 881,430.10, 1,322,145.15 and 804,015.70 is: 1,206,023.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,430.10 : 1,322,145.15 = 804,015.70 : x
  2. Step 2: Convert to fraction form
    881,430.10/1,322,145.15 = 804,015.70/x
  3. Step 3: Cross multiply
    881,430.10x = 1,322,145.15 × 804,015.70
  4. Step 4: Simplify right side
    881,430.10x = 1,063,025,458,278.85
  5. Step 5: Solve for x
    x = 1,063,025,458,278.85/881,430.10
  6. Step 6: Final answer
    x = 1,206,023.55

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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.