Home / 1,288,003.55-1,932,891.14-446,555.30

Finding the Fourth Proportional to 1,288,003.55, 1,932,891.14 and 446,555.30

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Solution

The fourth proportional to 1,288,003.55, 1,932,891.14 and 446,555.30 is: 670,140.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,003.55 : 1,932,891.14 = 446,555.30 : x
  2. Step 2: Convert to fraction form
    1,288,003.55/1,932,891.14 = 446,555.30/x
  3. Step 3: Cross multiply
    1,288,003.55x = 1,932,891.14 × 446,555.30
  4. Step 4: Simplify right side
    1,288,003.55x = 863,142,770,992.81
  5. Step 5: Solve for x
    x = 863,142,770,992.81/1,288,003.55
  6. Step 6: Final answer
    x = 670,140.06

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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.