Home / 1,367,732.40-2,047,912.20-991,719.60

Finding the Fourth Proportional to 1,367,732.40, 2,047,912.20 and 991,719.60

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Solution

The fourth proportional to 1,367,732.40, 2,047,912.20 and 991,719.60 is: 1,484,906.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,732.40 : 2,047,912.20 = 991,719.60 : x
  2. Step 2: Convert to fraction form
    1,367,732.40/2,047,912.20 = 991,719.60/x
  3. Step 3: Cross multiply
    1,367,732.40x = 2,047,912.20 × 991,719.60
  4. Step 4: Simplify right side
    1,367,732.40x = 2,030,954,667,819.12
  5. Step 5: Solve for x
    x = 2,030,954,667,819.12/1,367,732.40
  6. Step 6: Final answer
    x = 1,484,906.45

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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.