Home / 1,095,719.25-1,512,064.38-612,288.37

Finding the Fourth Proportional to 1,095,719.25, 1,512,064.38 and 612,288.37

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Solution

The fourth proportional to 1,095,719.25, 1,512,064.38 and 612,288.37 is: 844,942.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,719.25 : 1,512,064.38 = 612,288.37 : x
  2. Step 2: Convert to fraction form
    1,095,719.25/1,512,064.38 = 612,288.37/x
  3. Step 3: Cross multiply
    1,095,719.25x = 1,512,064.38 × 612,288.37
  4. Step 4: Simplify right side
    1,095,719.25x = 925,819,434,565.26
  5. Step 5: Solve for x
    x = 925,819,434,565.26/1,095,719.25
  6. Step 6: Final answer
    x = 844,942.20

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1.5x scale

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.