Home / 1,138,460.96-1,571,242.92-685,742.24

Finding the Fourth Proportional to 1,138,460.96, 1,571,242.92 and 685,742.24

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Solution

The fourth proportional to 1,138,460.96, 1,571,242.92 and 685,742.24 is: 946,424.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,460.96 : 1,571,242.92 = 685,742.24 : x
  2. Step 2: Convert to fraction form
    1,138,460.96/1,571,242.92 = 685,742.24/x
  3. Step 3: Cross multiply
    1,138,460.96x = 1,571,242.92 × 685,742.24
  4. Step 4: Simplify right side
    1,138,460.96x = 1,077,467,639,544.94
  5. Step 5: Solve for x
    x = 1,077,467,639,544.94/1,138,460.96
  6. Step 6: Final answer
    x = 946,424.76

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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.