Home / 1,396,389.60-2,094,584.40-864,948.60

Finding the Fourth Proportional to 1,396,389.60, 2,094,584.40 and 864,948.60

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Solution

The fourth proportional to 1,396,389.60, 2,094,584.40 and 864,948.60 is: 1,297,422.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,389.60 : 2,094,584.40 = 864,948.60 : x
  2. Step 2: Convert to fraction form
    1,396,389.60/2,094,584.40 = 864,948.60/x
  3. Step 3: Cross multiply
    1,396,389.60x = 2,094,584.40 × 864,948.60
  4. Step 4: Simplify right side
    1,396,389.60x = 1,811,707,844,361.84
  5. Step 5: Solve for x
    x = 1,811,707,844,361.84/1,396,389.60
  6. Step 6: Final answer
    x = 1,297,422.90

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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.