Home / 1,420,809.39-2,120,849.33-1,241,446.23

Finding the Fourth Proportional to 1,420,809.39, 2,120,849.33 and 1,241,446.23

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Solution

The fourth proportional to 1,420,809.39, 2,120,849.33 and 1,241,446.23 is: 1,853,113.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,809.39 : 2,120,849.33 = 1,241,446.23 : x
  2. Step 2: Convert to fraction form
    1,420,809.39/2,120,849.33 = 1,241,446.23/x
  3. Step 3: Cross multiply
    1,420,809.39x = 2,120,849.33 × 1,241,446.23
  4. Step 4: Simplify right side
    1,420,809.39x = 2,632,920,398,919.30
  5. Step 5: Solve for x
    x = 2,632,920,398,919.30/1,420,809.39
  6. Step 6: Final answer
    x = 1,853,113.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.