Home / 1,341,091.20-2,009,012.40-807,025.80

Finding the Fourth Proportional to 1,341,091.20, 2,009,012.40 and 807,025.80

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Solution

The fourth proportional to 1,341,091.20, 2,009,012.40 and 807,025.80 is: 1,208,959.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,091.20 : 2,009,012.40 = 807,025.80 : x
  2. Step 2: Convert to fraction form
    1,341,091.20/2,009,012.40 = 807,025.80/x
  3. Step 3: Cross multiply
    1,341,091.20x = 2,009,012.40 × 807,025.80
  4. Step 4: Simplify right side
    1,341,091.20x = 1,621,324,839,319.92
  5. Step 5: Solve for x
    x = 1,621,324,839,319.92/1,341,091.20
  6. Step 6: Final answer
    x = 1,208,959.42

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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.