Home / 1,229,842.78-1,697,109.96-713,556.68

Finding the Fourth Proportional to 1,229,842.78, 1,697,109.96 and 713,556.68

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Solution

The fourth proportional to 1,229,842.78, 1,697,109.96 and 713,556.68 is: 984,665.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,842.78 : 1,697,109.96 = 713,556.68 : x
  2. Step 2: Convert to fraction form
    1,229,842.78/1,697,109.96 = 713,556.68/x
  3. Step 3: Cross multiply
    1,229,842.78x = 1,697,109.96 × 713,556.68
  4. Step 4: Simplify right side
    1,229,842.78x = 1,210,984,148,652.53
  5. Step 5: Solve for x
    x = 1,210,984,148,652.53/1,229,842.78
  6. Step 6: Final answer
    x = 984,665.82

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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.