Home / 1,343,247.27-1,853,665.09-731,399.85

Finding the Fourth Proportional to 1,343,247.27, 1,853,665.09 and 731,399.85

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Solution

The fourth proportional to 1,343,247.27, 1,853,665.09 and 731,399.85 is: 1,009,323.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,247.27 : 1,853,665.09 = 731,399.85 : x
  2. Step 2: Convert to fraction form
    1,343,247.27/1,853,665.09 = 731,399.85/x
  3. Step 3: Cross multiply
    1,343,247.27x = 1,853,665.09 × 731,399.85
  4. Step 4: Simplify right side
    1,343,247.27x = 1,355,770,375,246.80
  5. Step 5: Solve for x
    x = 1,355,770,375,246.80/1,343,247.27
  6. Step 6: Final answer
    x = 1,009,323.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.