Home / 1,263,126.60-1,743,886.98-822,021.48

Finding the Fourth Proportional to 1,263,126.60, 1,743,886.98 and 822,021.48

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Solution

The fourth proportional to 1,263,126.60, 1,743,886.98 and 822,021.48 is: 1,134,892.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,126.60 : 1,743,886.98 = 822,021.48 : x
  2. Step 2: Convert to fraction form
    1,263,126.60/1,743,886.98 = 822,021.48/x
  3. Step 3: Cross multiply
    1,263,126.60x = 1,743,886.98 × 822,021.48
  4. Step 4: Simplify right side
    1,263,126.60x = 1,433,512,556,252.33
  5. Step 5: Solve for x
    x = 1,433,512,556,252.33/1,263,126.60
  6. Step 6: Final answer
    x = 1,134,892.22

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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.