Home / 1,211,440.60-1,815,192.60-1,042,166.80

Finding the Fourth Proportional to 1,211,440.60, 1,815,192.60 and 1,042,166.80

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Solution

The fourth proportional to 1,211,440.60, 1,815,192.60 and 1,042,166.80 is: 1,561,556.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,440.60 : 1,815,192.60 = 1,042,166.80 : x
  2. Step 2: Convert to fraction form
    1,211,440.60/1,815,192.60 = 1,042,166.80/x
  3. Step 3: Cross multiply
    1,211,440.60x = 1,815,192.60 × 1,042,166.80
  4. Step 4: Simplify right side
    1,211,440.60x = 1,891,733,463,325.68
  5. Step 5: Solve for x
    x = 1,891,733,463,325.68/1,211,440.60
  6. Step 6: Final answer
    x = 1,561,556.93

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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.