Home / 816,100.80-1,143,722.12-816,100.80

Finding the Fourth Proportional to 816,100.80, 1,143,722.12 and 816,100.80

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Solution

The fourth proportional to 816,100.80, 1,143,722.12 and 816,100.80 is: 1,143,722.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,100.80 : 1,143,722.12 = 816,100.80 : x
  2. Step 2: Convert to fraction form
    816,100.80/1,143,722.12 = 816,100.80/x
  3. Step 3: Cross multiply
    816,100.80x = 1,143,722.12 × 816,100.80
  4. Step 4: Simplify right side
    816,100.80x = 933,392,537,109.70
  5. Step 5: Solve for x
    x = 933,392,537,109.70/816,100.80
  6. Step 6: Final answer
    x = 1,143,722.12

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.