Home / 928,446.26-1,392,669.40-612,829.34

Finding the Fourth Proportional to 928,446.26, 1,392,669.40 and 612,829.34

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Solution

The fourth proportional to 928,446.26, 1,392,669.40 and 612,829.34 is: 919,244.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,446.26 : 1,392,669.40 = 612,829.34 : x
  2. Step 2: Convert to fraction form
    928,446.26/1,392,669.40 = 612,829.34/x
  3. Step 3: Cross multiply
    928,446.26x = 1,392,669.40 × 612,829.34
  4. Step 4: Simplify right side
    928,446.26x = 853,468,669,240.20
  5. Step 5: Solve for x
    x = 853,468,669,240.20/928,446.26
  6. Step 6: Final answer
    x = 919,244.02

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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.