Home / 1,291,600.43-1,936,350.87-450,742.67

Finding the Fourth Proportional to 1,291,600.43, 1,936,350.87 and 450,742.67

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Solution

The fourth proportional to 1,291,600.43, 1,936,350.87 and 450,742.67 is: 675,747.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,600.43 : 1,936,350.87 = 450,742.67 : x
  2. Step 2: Convert to fraction form
    1,291,600.43/1,936,350.87 = 450,742.67/x
  3. Step 3: Cross multiply
    1,291,600.43x = 1,936,350.87 × 450,742.67
  4. Step 4: Simplify right side
    1,291,600.43x = 872,795,951,518.87
  5. Step 5: Solve for x
    x = 872,795,951,518.87/1,291,600.43
  6. Step 6: Final answer
    x = 675,747.65

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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.