Home / 1,288,004.04-1,932,891.88-446,555.80

Finding the Fourth Proportional to 1,288,004.04, 1,932,891.88 and 446,555.80

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Solution

The fourth proportional to 1,288,004.04, 1,932,891.88 and 446,555.80 is: 670,140.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,004.04 : 1,932,891.88 = 446,555.80 : x
  2. Step 2: Convert to fraction form
    1,288,004.04/1,932,891.88 = 446,555.80/x
  3. Step 3: Cross multiply
    1,288,004.04x = 1,932,891.88 × 446,555.80
  4. Step 4: Simplify right side
    1,288,004.04x = 863,144,079,786.90
  5. Step 5: Solve for x
    x = 863,144,079,786.90/1,288,004.04
  6. Step 6: Final answer
    x = 670,140.82

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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.