Home / 1,019,519.72-1,529,180.64-309,553.91

Finding the Fourth Proportional to 1,019,519.72, 1,529,180.64 and 309,553.91

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Solution

The fourth proportional to 1,019,519.72, 1,529,180.64 and 309,553.91 is: 464,300.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,519.72 : 1,529,180.64 = 309,553.91 : x
  2. Step 2: Convert to fraction form
    1,019,519.72/1,529,180.64 = 309,553.91/x
  3. Step 3: Cross multiply
    1,019,519.72x = 1,529,180.64 × 309,553.91
  4. Step 4: Simplify right side
    1,019,519.72x = 473,363,846,208.30
  5. Step 5: Solve for x
    x = 473,363,846,208.30/1,019,519.72
  6. Step 6: Final answer
    x = 464,300.82

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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.