Home / 1,331,016.20-1,996,524.30-1,317,019.40

Finding the Fourth Proportional to 1,331,016.20, 1,996,524.30 and 1,317,019.40

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Solution

The fourth proportional to 1,331,016.20, 1,996,524.30 and 1,317,019.40 is: 1,975,529.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,016.20 : 1,996,524.30 = 1,317,019.40 : x
  2. Step 2: Convert to fraction form
    1,331,016.20/1,996,524.30 = 1,317,019.40/x
  3. Step 3: Cross multiply
    1,331,016.20x = 1,996,524.30 × 1,317,019.40
  4. Step 4: Simplify right side
    1,331,016.20x = 2,629,461,235,671.42
  5. Step 5: Solve for x
    x = 2,629,461,235,671.42/1,331,016.20
  6. Step 6: Final answer
    x = 1,975,529.10

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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.