Home / 1,286,800.20-1,931,429.10-1,100,022.60

Finding the Fourth Proportional to 1,286,800.20, 1,931,429.10 and 1,100,022.60

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Solution

The fourth proportional to 1,286,800.20, 1,931,429.10 and 1,100,022.60 is: 1,651,084.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,800.20 : 1,931,429.10 = 1,100,022.60 : x
  2. Step 2: Convert to fraction form
    1,286,800.20/1,931,429.10 = 1,100,022.60/x
  3. Step 3: Cross multiply
    1,286,800.20x = 1,931,429.10 × 1,100,022.60
  4. Step 4: Simplify right side
    1,286,800.20x = 2,124,615,660,297.66
  5. Step 5: Solve for x
    x = 2,124,615,660,297.66/1,286,800.20
  6. Step 6: Final answer
    x = 1,651,084.34

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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.