Home / 1,345,843.80-2,019,867.30-1,335,346.20

Finding the Fourth Proportional to 1,345,843.80, 2,019,867.30 and 1,335,346.20

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Solution

The fourth proportional to 1,345,843.80, 2,019,867.30 and 1,335,346.20 is: 2,004,112.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,843.80 : 2,019,867.30 = 1,335,346.20 : x
  2. Step 2: Convert to fraction form
    1,345,843.80/2,019,867.30 = 1,335,346.20/x
  3. Step 3: Cross multiply
    1,345,843.80x = 2,019,867.30 × 1,335,346.20
  4. Step 4: Simplify right side
    1,345,843.80x = 2,697,222,123,559.26
  5. Step 5: Solve for x
    x = 2,697,222,123,559.26/1,345,843.80
  6. Step 6: Final answer
    x = 2,004,112.31

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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.