Home / 1,253,379.86-1,729,481.73-716,732.18

Finding the Fourth Proportional to 1,253,379.86, 1,729,481.73 and 716,732.18

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Solution

The fourth proportional to 1,253,379.86, 1,729,481.73 and 716,732.18 is: 988,986.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,379.86 : 1,729,481.73 = 716,732.18 : x
  2. Step 2: Convert to fraction form
    1,253,379.86/1,729,481.73 = 716,732.18/x
  3. Step 3: Cross multiply
    1,253,379.86x = 1,729,481.73 × 716,732.18
  4. Step 4: Simplify right side
    1,253,379.86x = 1,239,575,210,613.07
  5. Step 5: Solve for x
    x = 1,239,575,210,613.07/1,253,379.86
  6. Step 6: Final answer
    x = 988,986.06

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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.