Home / 1,311,877.41-1,809,772.23-767,679.41

Finding the Fourth Proportional to 1,311,877.41, 1,809,772.23 and 767,679.41

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Solution

The fourth proportional to 1,311,877.41, 1,809,772.23 and 767,679.41 is: 1,059,035.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,877.41 : 1,809,772.23 = 767,679.41 : x
  2. Step 2: Convert to fraction form
    1,311,877.41/1,809,772.23 = 767,679.41/x
  3. Step 3: Cross multiply
    1,311,877.41x = 1,809,772.23 × 767,679.41
  4. Step 4: Simplify right side
    1,311,877.41x = 1,389,324,877,760.78
  5. Step 5: Solve for x
    x = 1,389,324,877,760.78/1,311,877.41
  6. Step 6: Final answer
    x = 1,059,035.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.