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Finding the Fourth Proportional to 1,053,321.95, 1,579,849.76 and 333,736.67

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Solution

The fourth proportional to 1,053,321.95, 1,579,849.76 and 333,736.67 is: 500,562.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,321.95 : 1,579,849.76 = 333,736.67 : x
  2. Step 2: Convert to fraction form
    1,053,321.95/1,579,849.76 = 333,736.67/x
  3. Step 3: Cross multiply
    1,053,321.95x = 1,579,849.76 × 333,736.67
  4. Step 4: Simplify right side
    1,053,321.95x = 527,253,797,330.45
  5. Step 5: Solve for x
    x = 527,253,797,330.45/1,053,321.95
  6. Step 6: Final answer
    x = 500,562.81

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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.