Home / 1,343,229.85-1,853,639.80-731,375.61

Finding the Fourth Proportional to 1,343,229.85, 1,853,639.80 and 731,375.61

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Solution

The fourth proportional to 1,343,229.85, 1,853,639.80 and 731,375.61 is: 1,009,288.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,229.85 : 1,853,639.80 = 731,375.61 : x
  2. Step 2: Convert to fraction form
    1,343,229.85/1,853,639.80 = 731,375.61/x
  3. Step 3: Cross multiply
    1,343,229.85x = 1,853,639.80 × 731,375.61
  4. Step 4: Simplify right side
    1,343,229.85x = 1,355,706,939,445.28
  5. Step 5: Solve for x
    x = 1,355,706,939,445.28/1,343,229.85
  6. Step 6: Final answer
    x = 1,009,288.87

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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.