Home / 985,749.20-1,476,550.20-819,861.20

Finding the Fourth Proportional to 985,749.20, 1,476,550.20 and 819,861.20

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Solution

The fourth proportional to 985,749.20, 1,476,550.20 and 819,861.20 is: 1,228,067.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,749.20 : 1,476,550.20 = 819,861.20 : x
  2. Step 2: Convert to fraction form
    985,749.20/1,476,550.20 = 819,861.20/x
  3. Step 3: Cross multiply
    985,749.20x = 1,476,550.20 × 819,861.20
  4. Step 4: Simplify right side
    985,749.20x = 1,210,566,218,832.24
  5. Step 5: Solve for x
    x = 1,210,566,218,832.24/985,749.20
  6. Step 6: Final answer
    x = 1,228,067.16

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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.