Home / 1,109,140.86-1,530,629.26-625,704.51

Finding the Fourth Proportional to 1,109,140.86, 1,530,629.26 and 625,704.51

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Solution

The fourth proportional to 1,109,140.86, 1,530,629.26 and 625,704.51 is: 863,480.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,140.86 : 1,530,629.26 = 625,704.51 : x
  2. Step 2: Convert to fraction form
    1,109,140.86/1,530,629.26 = 625,704.51/x
  3. Step 3: Cross multiply
    1,109,140.86x = 1,530,629.26 × 625,704.51
  4. Step 4: Simplify right side
    1,109,140.86x = 957,721,631,119.96
  5. Step 5: Solve for x
    x = 957,721,631,119.96/1,109,140.86
  6. Step 6: Final answer
    x = 863,480.61

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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.