Home / 1,339,738.90-2,009,608.35-1,330,407.70

Finding the Fourth Proportional to 1,339,738.90, 2,009,608.35 and 1,330,407.70

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Solution

The fourth proportional to 1,339,738.90, 2,009,608.35 and 1,330,407.70 is: 1,995,611.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,738.90 : 2,009,608.35 = 1,330,407.70 : x
  2. Step 2: Convert to fraction form
    1,339,738.90/2,009,608.35 = 1,330,407.70/x
  3. Step 3: Cross multiply
    1,339,738.90x = 2,009,608.35 × 1,330,407.70
  4. Step 4: Simplify right side
    1,339,738.90x = 2,673,598,422,824.30
  5. Step 5: Solve for x
    x = 2,673,598,422,824.30/1,339,738.90
  6. Step 6: Final answer
    x = 1,995,611.55

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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.