Home / 1,395,862.20-2,095,761.60-864,421.20

Finding the Fourth Proportional to 1,395,862.20, 2,095,761.60 and 864,421.20

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Solution

The fourth proportional to 1,395,862.20, 2,095,761.60 and 864,421.20 is: 1,297,850.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,862.20 : 2,095,761.60 = 864,421.20 : x
  2. Step 2: Convert to fraction form
    1,395,862.20/2,095,761.60 = 864,421.20/x
  3. Step 3: Cross multiply
    1,395,862.20x = 2,095,761.60 × 864,421.20
  4. Step 4: Simplify right side
    1,395,862.20x = 1,811,620,757,185.92
  5. Step 5: Solve for x
    x = 1,811,620,757,185.92/1,395,862.20
  6. Step 6: Final answer
    x = 1,297,850.72

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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.