Home / 911,037.60-1,366,556.40-897,040.80

Finding the Fourth Proportional to 911,037.60, 1,366,556.40 and 897,040.80

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Solution

The fourth proportional to 911,037.60, 1,366,556.40 and 897,040.80 is: 1,345,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,037.60 : 1,366,556.40 = 897,040.80 : x
  2. Step 2: Convert to fraction form
    911,037.60/1,366,556.40 = 897,040.80/x
  3. Step 3: Cross multiply
    911,037.60x = 1,366,556.40 × 897,040.80
  4. Step 4: Simplify right side
    911,037.60x = 1,225,856,846,301.12
  5. Step 5: Solve for x
    x = 1,225,856,846,301.12/911,037.60
  6. Step 6: Final answer
    x = 1,345,561.20

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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.