Home / 1,310,289.42-1,965,433.53-363,659.85

Finding the Fourth Proportional to 1,310,289.42, 1,965,433.53 and 363,659.85

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Solution

The fourth proportional to 1,310,289.42, 1,965,433.53 and 363,659.85 is: 545,489.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,289.42 : 1,965,433.53 = 363,659.85 : x
  2. Step 2: Convert to fraction form
    1,310,289.42/1,965,433.53 = 363,659.85/x
  3. Step 3: Cross multiply
    1,310,289.42x = 1,965,433.53 × 363,659.85
  4. Step 4: Simplify right side
    1,310,289.42x = 714,749,262,704.77
  5. Step 5: Solve for x
    x = 714,749,262,704.77/1,310,289.42
  6. Step 6: Final answer
    x = 545,489.61

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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.