Home / 1,479,011.11-2,212,679.49-1,120,215.54

Finding the Fourth Proportional to 1,479,011.11, 2,212,679.49 and 1,120,215.54

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Solution

The fourth proportional to 1,479,011.11, 2,212,679.49 and 1,120,215.54 is: 1,675,902.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,011.11 : 2,212,679.49 = 1,120,215.54 : x
  2. Step 2: Convert to fraction form
    1,479,011.11/2,212,679.49 = 1,120,215.54/x
  3. Step 3: Cross multiply
    1,479,011.11x = 2,212,679.49 × 1,120,215.54
  4. Step 4: Simplify right side
    1,479,011.11x = 2,478,677,938,673.88
  5. Step 5: Solve for x
    x = 2,478,677,938,673.88/1,479,011.11
  6. Step 6: Final answer
    x = 1,675,902.18

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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.