Home / 1,199,920.38-1,800,380.88-526,485.66

Finding the Fourth Proportional to 1,199,920.38, 1,800,380.88 and 526,485.66

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Solution

The fourth proportional to 1,199,920.38, 1,800,380.88 and 526,485.66 is: 789,948.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,920.38 : 1,800,380.88 = 526,485.66 : x
  2. Step 2: Convert to fraction form
    1,199,920.38/1,800,380.88 = 526,485.66/x
  3. Step 3: Cross multiply
    1,199,920.38x = 1,800,380.88 × 526,485.66
  4. Step 4: Simplify right side
    1,199,920.38x = 947,874,715,858.18
  5. Step 5: Solve for x
    x = 947,874,715,858.18/1,199,920.38
  6. Step 6: Final answer
    x = 789,948.01

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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.