Home / 1,295,560.45-1,939,354.86-845,311.82

Finding the Fourth Proportional to 1,295,560.45, 1,939,354.86 and 845,311.82

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Solution

The fourth proportional to 1,295,560.45, 1,939,354.86 and 845,311.82 is: 1,265,367.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,560.45 : 1,939,354.86 = 845,311.82 : x
  2. Step 2: Convert to fraction form
    1,295,560.45/1,939,354.86 = 845,311.82/x
  3. Step 3: Cross multiply
    1,295,560.45x = 1,939,354.86 × 845,311.82
  4. Step 4: Simplify right side
    1,295,560.45x = 1,639,359,591,180.83
  5. Step 5: Solve for x
    x = 1,639,359,591,180.83/1,295,560.45
  6. Step 6: Final answer
    x = 1,265,367.12

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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.