Home / 1,470,286.20-2,204,262.90-805,438.20

Finding the Fourth Proportional to 1,470,286.20, 2,204,262.90 and 805,438.20

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Solution

The fourth proportional to 1,470,286.20, 2,204,262.90 and 805,438.20 is: 1,207,518.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,286.20 : 2,204,262.90 = 805,438.20 : x
  2. Step 2: Convert to fraction form
    1,470,286.20/2,204,262.90 = 805,438.20/x
  3. Step 3: Cross multiply
    1,470,286.20x = 2,204,262.90 × 805,438.20
  4. Step 4: Simplify right side
    1,470,286.20x = 1,775,397,542,502.78
  5. Step 5: Solve for x
    x = 1,775,397,542,502.78/1,470,286.20
  6. Step 6: Final answer
    x = 1,207,518.33

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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.