Home / 1,342,889.84-1,853,131.20-731,029.88

Finding the Fourth Proportional to 1,342,889.84, 1,853,131.20 and 731,029.88

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Solution

The fourth proportional to 1,342,889.84, 1,853,131.20 and 731,029.88 is: 1,008,790.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,889.84 : 1,853,131.20 = 731,029.88 : x
  2. Step 2: Convert to fraction form
    1,342,889.84/1,853,131.20 = 731,029.88/x
  3. Step 3: Cross multiply
    1,342,889.84x = 1,853,131.20 × 731,029.88
  4. Step 4: Simplify right side
    1,342,889.84x = 1,354,694,269,494.60
  5. Step 5: Solve for x
    x = 1,354,694,269,494.60/1,342,889.84
  6. Step 6: Final answer
    x = 1,008,790.32

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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.