Home / 1,253,382.86-1,729,485.86-716,735.18

Finding the Fourth Proportional to 1,253,382.86, 1,729,485.86 and 716,735.18

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Solution

The fourth proportional to 1,253,382.86, 1,729,485.86 and 716,735.18 is: 988,990.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,382.86 : 1,729,485.86 = 716,735.18 : x
  2. Step 2: Convert to fraction form
    1,253,382.86/1,729,485.86 = 716,735.18/x
  3. Step 3: Cross multiply
    1,253,382.86x = 1,729,485.86 × 716,735.18
  4. Step 4: Simplify right side
    1,253,382.86x = 1,239,583,359,174.56
  5. Step 5: Solve for x
    x = 1,239,583,359,174.56/1,253,382.86
  6. Step 6: Final answer
    x = 988,990.20

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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.