Home / 1,331,143.80-1,993,907.70-882,079.80

Finding the Fourth Proportional to 1,331,143.80, 1,993,907.70 and 882,079.80

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Solution

The fourth proportional to 1,331,143.80, 1,993,907.70 and 882,079.80 is: 1,321,258.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,143.80 : 1,993,907.70 = 882,079.80 : x
  2. Step 2: Convert to fraction form
    1,331,143.80/1,993,907.70 = 882,079.80/x
  3. Step 3: Cross multiply
    1,331,143.80x = 1,993,907.70 × 882,079.80
  4. Step 4: Simplify right side
    1,331,143.80x = 1,758,785,705,234.46
  5. Step 5: Solve for x
    x = 1,758,785,705,234.46/1,331,143.80
  6. Step 6: Final answer
    x = 1,321,258.98

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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.