Home / 806,128.58-1,206,535.26-445,745.41

Finding the Fourth Proportional to 806,128.58, 1,206,535.26 and 445,745.41

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Solution

The fourth proportional to 806,128.58, 1,206,535.26 and 445,745.41 is: 667,148.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,128.58 : 1,206,535.26 = 445,745.41 : x
  2. Step 2: Convert to fraction form
    806,128.58/1,206,535.26 = 445,745.41/x
  3. Step 3: Cross multiply
    806,128.58x = 1,206,535.26 × 445,745.41
  4. Step 4: Simplify right side
    806,128.58x = 537,807,554,148.16
  5. Step 5: Solve for x
    x = 537,807,554,148.16/806,128.58
  6. Step 6: Final answer
    x = 667,148.60

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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.