Home / 1,288,211.80-1,932,317.70-446,763.55

Finding the Fourth Proportional to 1,288,211.80, 1,932,317.70 and 446,763.55

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Solution

The fourth proportional to 1,288,211.80, 1,932,317.70 and 446,763.55 is: 670,145.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,211.80 : 1,932,317.70 = 446,763.55 : x
  2. Step 2: Convert to fraction form
    1,288,211.80/1,932,317.70 = 446,763.55/x
  3. Step 3: Cross multiply
    1,288,211.80x = 1,932,317.70 × 446,763.55
  4. Step 4: Simplify right side
    1,288,211.80x = 863,289,115,379.84
  5. Step 5: Solve for x
    x = 863,289,115,379.84/1,288,211.80
  6. Step 6: Final answer
    x = 670,145.33

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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.