Home / 1,311,743.25-1,967,614.88-365,138.64

Finding the Fourth Proportional to 1,311,743.25, 1,967,614.88 and 365,138.64

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Solution

The fourth proportional to 1,311,743.25, 1,967,614.88 and 365,138.64 is: 547,707.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,743.25 : 1,967,614.88 = 365,138.64 : x
  2. Step 2: Convert to fraction form
    1,311,743.25/1,967,614.88 = 365,138.64/x
  3. Step 3: Cross multiply
    1,311,743.25x = 1,967,614.88 × 365,138.64
  4. Step 4: Simplify right side
    1,311,743.25x = 718,452,219,501.27
  5. Step 5: Solve for x
    x = 718,452,219,501.27/1,311,743.25
  6. Step 6: Final answer
    x = 547,707.96

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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.