Home / 1,019,734.45-1,529,747.21-379,983.63

Finding the Fourth Proportional to 1,019,734.45, 1,529,747.21 and 379,983.63

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Solution

The fourth proportional to 1,019,734.45, 1,529,747.21 and 379,983.63 is: 570,029.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,734.45 : 1,529,747.21 = 379,983.63 : x
  2. Step 2: Convert to fraction form
    1,019,734.45/1,529,747.21 = 379,983.63/x
  3. Step 3: Cross multiply
    1,019,734.45x = 1,529,747.21 × 379,983.63
  4. Step 4: Simplify right side
    1,019,734.45x = 581,278,897,838.17
  5. Step 5: Solve for x
    x = 581,278,897,838.17/1,019,734.45
  6. Step 6: Final answer
    x = 570,029.68

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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.