Home / 1,224,556.76-1,690,162.54-680,883.14

Finding the Fourth Proportional to 1,224,556.76, 1,690,162.54 and 680,883.14

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Solution

The fourth proportional to 1,224,556.76, 1,690,162.54 and 680,883.14 is: 939,771.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,556.76 : 1,690,162.54 = 680,883.14 : x
  2. Step 2: Convert to fraction form
    1,224,556.76/1,690,162.54 = 680,883.14/x
  3. Step 3: Cross multiply
    1,224,556.76x = 1,690,162.54 × 680,883.14
  4. Step 4: Simplify right side
    1,224,556.76x = 1,150,803,177,345.58
  5. Step 5: Solve for x
    x = 1,150,803,177,345.58/1,224,556.76
  6. Step 6: Final answer
    x = 939,771.20

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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.