Home / 1,100,749.86-1,518,389.82-692,203.68

Finding the Fourth Proportional to 1,100,749.86, 1,518,389.82 and 692,203.68

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Solution

The fourth proportional to 1,100,749.86, 1,518,389.82 and 692,203.68 is: 954,835.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,749.86 : 1,518,389.82 = 692,203.68 : x
  2. Step 2: Convert to fraction form
    1,100,749.86/1,518,389.82 = 692,203.68/x
  3. Step 3: Cross multiply
    1,100,749.86x = 1,518,389.82 × 692,203.68
  4. Step 4: Simplify right side
    1,100,749.86x = 1,051,035,021,078.54
  5. Step 5: Solve for x
    x = 1,051,035,021,078.54/1,100,749.86
  6. Step 6: Final answer
    x = 954,835.48

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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.