Home / 926,915.20-1,391,409.60-717,481.60

Finding the Fourth Proportional to 926,915.20, 1,391,409.60 and 717,481.60

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Solution

The fourth proportional to 926,915.20, 1,391,409.60 and 717,481.60 is: 1,077,024.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,915.20 : 1,391,409.60 = 717,481.60 : x
  2. Step 2: Convert to fraction form
    926,915.20/1,391,409.60 = 717,481.60/x
  3. Step 3: Cross multiply
    926,915.20x = 1,391,409.60 × 717,481.60
  4. Step 4: Simplify right side
    926,915.20x = 998,310,786,063.36
  5. Step 5: Solve for x
    x = 998,310,786,063.36/926,915.20
  6. Step 6: Final answer
    x = 1,077,024.94

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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.