Home / 1,085,349.57-1,629,000.12-580,342.21

Finding the Fourth Proportional to 1,085,349.57, 1,629,000.12 and 580,342.21

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Solution

The fourth proportional to 1,085,349.57, 1,629,000.12 and 580,342.21 is: 871,035.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,349.57 : 1,629,000.12 = 580,342.21 : x
  2. Step 2: Convert to fraction form
    1,085,349.57/1,629,000.12 = 580,342.21/x
  3. Step 3: Cross multiply
    1,085,349.57x = 1,629,000.12 × 580,342.21
  4. Step 4: Simplify right side
    1,085,349.57x = 945,377,529,731.07
  5. Step 5: Solve for x
    x = 945,377,529,731.07/1,085,349.57
  6. Step 6: Final answer
    x = 871,035.06

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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.