Home / 1,380,910.75-2,071,392.05-383,664.67

Finding the Fourth Proportional to 1,380,910.75, 2,071,392.05 and 383,664.67

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Solution

The fourth proportional to 1,380,910.75, 2,071,392.05 and 383,664.67 is: 575,504.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,910.75 : 2,071,392.05 = 383,664.67 : x
  2. Step 2: Convert to fraction form
    1,380,910.75/2,071,392.05 = 383,664.67/x
  3. Step 3: Cross multiply
    1,380,910.75x = 2,071,392.05 × 383,664.67
  4. Step 4: Simplify right side
    1,380,910.75x = 794,719,947,303.87
  5. Step 5: Solve for x
    x = 794,719,947,303.87/1,380,910.75
  6. Step 6: Final answer
    x = 575,504.21

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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.