Home / 1,019,351.10-1,529,901.45-451,605.90

Finding the Fourth Proportional to 1,019,351.10, 1,529,901.45 and 451,605.90

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Solution

The fourth proportional to 1,019,351.10, 1,529,901.45 and 451,605.90 is: 677,796.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,351.10 : 1,529,901.45 = 451,605.90 : x
  2. Step 2: Convert to fraction form
    1,019,351.10/1,529,901.45 = 451,605.90/x
  3. Step 3: Cross multiply
    1,019,351.10x = 1,529,901.45 × 451,605.90
  4. Step 4: Simplify right side
    1,019,351.10x = 690,912,521,238.56
  5. Step 5: Solve for x
    x = 690,912,521,238.56/1,019,351.10
  6. Step 6: Final answer
    x = 677,796.42

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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.