Home / 1,340,351.60-2,012,082.60-808,473.20

Finding the Fourth Proportional to 1,340,351.60, 2,012,082.60 and 808,473.20

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Solution

The fourth proportional to 1,340,351.60, 2,012,082.60 and 808,473.20 is: 1,213,647.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,351.60 : 2,012,082.60 = 808,473.20 : x
  2. Step 2: Convert to fraction form
    1,340,351.60/2,012,082.60 = 808,473.20/x
  3. Step 3: Cross multiply
    1,340,351.60x = 2,012,082.60 × 808,473.20
  4. Step 4: Simplify right side
    1,340,351.60x = 1,626,714,858,286.32
  5. Step 5: Solve for x
    x = 1,626,714,858,286.32/1,340,351.60
  6. Step 6: Final answer
    x = 1,213,647.87

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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.