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Finding the Fourth Proportional to 1,529,713.08, 2,294,568 and 728,564.76

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Solution

The fourth proportional to 1,529,713.08, 2,294,568 and 728,564.76 is: 1,092,846.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529,713.08 : 2,294,568 = 728,564.76 : x
  2. Step 2: Convert to fraction form
    1,529,713.08/2,294,568 = 728,564.76/x
  3. Step 3: Cross multiply
    1,529,713.08x = 2,294,568 × 728,564.76
  4. Step 4: Simplify right side
    1,529,713.08x = 1,671,741,384,223.68
  5. Step 5: Solve for x
    x = 1,671,741,384,223.68/1,529,713.08
  6. Step 6: Final answer
    x = 1,092,846.37

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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.