Home / 1,093,517.80-1,638,308.40-892,751.20

Finding the Fourth Proportional to 1,093,517.80, 1,638,308.40 and 892,751.20

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Solution

The fourth proportional to 1,093,517.80, 1,638,308.40 and 892,751.20 is: 1,337,519.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,517.80 : 1,638,308.40 = 892,751.20 : x
  2. Step 2: Convert to fraction form
    1,093,517.80/1,638,308.40 = 892,751.20/x
  3. Step 3: Cross multiply
    1,093,517.80x = 1,638,308.40 × 892,751.20
  4. Step 4: Simplify right side
    1,093,517.80x = 1,462,601,790,070.08
  5. Step 5: Solve for x
    x = 1,462,601,790,070.08/1,093,517.80
  6. Step 6: Final answer
    x = 1,337,519.87

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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.