Home / 1,019,442.74-1,529,829.38-380,257.79

Finding the Fourth Proportional to 1,019,442.74, 1,529,829.38 and 380,257.79

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Solution

The fourth proportional to 1,019,442.74, 1,529,829.38 and 380,257.79 is: 570,634.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,442.74 : 1,529,829.38 = 380,257.79 : x
  2. Step 2: Convert to fraction form
    1,019,442.74/1,529,829.38 = 380,257.79/x
  3. Step 3: Cross multiply
    1,019,442.74x = 1,529,829.38 × 380,257.79
  4. Step 4: Simplify right side
    1,019,442.74x = 581,729,530,991.40
  5. Step 5: Solve for x
    x = 581,729,530,991.40/1,019,442.74
  6. Step 6: Final answer
    x = 570,634.83

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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.