Home / 1,821,080.40-2,731,620.60-876,296.40

Finding the Fourth Proportional to 1,821,080.40, 2,731,620.60 and 876,296.40

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Solution

The fourth proportional to 1,821,080.40, 2,731,620.60 and 876,296.40 is: 1,314,444.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,080.40 : 2,731,620.60 = 876,296.40 : x
  2. Step 2: Convert to fraction form
    1,821,080.40/2,731,620.60 = 876,296.40/x
  3. Step 3: Cross multiply
    1,821,080.40x = 2,731,620.60 × 876,296.40
  4. Step 4: Simplify right side
    1,821,080.40x = 2,393,709,297,945.84
  5. Step 5: Solve for x
    x = 2,393,709,297,945.84/1,821,080.40
  6. Step 6: Final answer
    x = 1,314,444.60

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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.