Home / 1,157,481.20-1,735,638.60-684,311.60

Finding the Fourth Proportional to 1,157,481.20, 1,735,638.60 and 684,311.60

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Solution

The fourth proportional to 1,157,481.20, 1,735,638.60 and 684,311.60 is: 1,026,122.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,481.20 : 1,735,638.60 = 684,311.60 : x
  2. Step 2: Convert to fraction form
    1,157,481.20/1,735,638.60 = 684,311.60/x
  3. Step 3: Cross multiply
    1,157,481.20x = 1,735,638.60 × 684,311.60
  4. Step 4: Simplify right side
    1,157,481.20x = 1,187,717,627,387.76
  5. Step 5: Solve for x
    x = 1,187,717,627,387.76/1,157,481.20
  6. Step 6: Final answer
    x = 1,026,122.61

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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.