Home / 1,296,406.20-1,944,609.30-349,872.60

Finding the Fourth Proportional to 1,296,406.20, 1,944,609.30 and 349,872.60

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Solution

The fourth proportional to 1,296,406.20, 1,944,609.30 and 349,872.60 is: 524,808.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,406.20 : 1,944,609.30 = 349,872.60 : x
  2. Step 2: Convert to fraction form
    1,296,406.20/1,944,609.30 = 349,872.60/x
  3. Step 3: Cross multiply
    1,296,406.20x = 1,944,609.30 × 349,872.60
  4. Step 4: Simplify right side
    1,296,406.20x = 680,365,511,775.18
  5. Step 5: Solve for x
    x = 680,365,511,775.18/1,296,406.20
  6. Step 6: Final answer
    x = 524,808.90

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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.