Home / 881,431.60-1,322,147.40-804,017.20

Finding the Fourth Proportional to 881,431.60, 1,322,147.40 and 804,017.20

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Solution

The fourth proportional to 881,431.60, 1,322,147.40 and 804,017.20 is: 1,206,025.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,431.60 : 1,322,147.40 = 804,017.20 : x
  2. Step 2: Convert to fraction form
    881,431.60/1,322,147.40 = 804,017.20/x
  3. Step 3: Cross multiply
    881,431.60x = 1,322,147.40 × 804,017.20
  4. Step 4: Simplify right side
    881,431.60x = 1,063,029,250,535.28
  5. Step 5: Solve for x
    x = 1,063,029,250,535.28/881,431.60
  6. Step 6: Final answer
    x = 1,206,025.80

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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.