Home / 1,338,195.70-2,006,629.35-485,233.30

Finding the Fourth Proportional to 1,338,195.70, 2,006,629.35 and 485,233.30

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Solution

The fourth proportional to 1,338,195.70, 2,006,629.35 and 485,233.30 is: 727,609.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,195.70 : 2,006,629.35 = 485,233.30 : x
  2. Step 2: Convert to fraction form
    1,338,195.70/2,006,629.35 = 485,233.30/x
  3. Step 3: Cross multiply
    1,338,195.70x = 2,006,629.35 × 485,233.30
  4. Step 4: Simplify right side
    1,338,195.70x = 973,683,381,377.36
  5. Step 5: Solve for x
    x = 973,683,381,377.36/1,338,195.70
  6. Step 6: Final answer
    x = 727,609.11

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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.