Home / 1,052,105.58-1,578,027.15-421,024.86

Finding the Fourth Proportional to 1,052,105.58, 1,578,027.15 and 421,024.86

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Solution

The fourth proportional to 1,052,105.58, 1,578,027.15 and 421,024.86 is: 631,484.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,105.58 : 1,578,027.15 = 421,024.86 : x
  2. Step 2: Convert to fraction form
    1,052,105.58/1,578,027.15 = 421,024.86/x
  3. Step 3: Cross multiply
    1,052,105.58x = 1,578,027.15 × 421,024.86
  4. Step 4: Simplify right side
    1,052,105.58x = 664,388,659,904.95
  5. Step 5: Solve for x
    x = 664,388,659,904.95/1,052,105.58
  6. Step 6: Final answer
    x = 631,484.78

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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.