Home / 1,296,011.90-1,942,462.65-664,600.70

Finding the Fourth Proportional to 1,296,011.90, 1,942,462.65 and 664,600.70

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Solution

The fourth proportional to 1,296,011.90, 1,942,462.65 and 664,600.70 is: 996,103.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,011.90 : 1,942,462.65 = 664,600.70 : x
  2. Step 2: Convert to fraction form
    1,296,011.90/1,942,462.65 = 664,600.70/x
  3. Step 3: Cross multiply
    1,296,011.90x = 1,942,462.65 × 664,600.70
  4. Step 4: Simplify right side
    1,296,011.90x = 1,290,962,036,913.85
  5. Step 5: Solve for x
    x = 1,290,962,036,913.85/1,296,011.90
  6. Step 6: Final answer
    x = 996,103.54

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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.