Home / 1,330,774.80-1,996,162.20-825,905.85

Finding the Fourth Proportional to 1,330,774.80, 1,996,162.20 and 825,905.85

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Solution

The fourth proportional to 1,330,774.80, 1,996,162.20 and 825,905.85 is: 1,238,858.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,774.80 : 1,996,162.20 = 825,905.85 : x
  2. Step 2: Convert to fraction form
    1,330,774.80/1,996,162.20 = 825,905.85/x
  3. Step 3: Cross multiply
    1,330,774.80x = 1,996,162.20 × 825,905.85
  4. Step 4: Simplify right side
    1,330,774.80x = 1,648,642,038,528.87
  5. Step 5: Solve for x
    x = 1,648,642,038,528.87/1,330,774.80
  6. Step 6: Final answer
    x = 1,238,858.78

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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.