Home / 1,315,003.92-1,814,708.52-711,391.92

Finding the Fourth Proportional to 1,315,003.92, 1,814,708.52 and 711,391.92

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Solution

The fourth proportional to 1,315,003.92, 1,814,708.52 and 711,391.92 is: 981,722.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,003.92 : 1,814,708.52 = 711,391.92 : x
  2. Step 2: Convert to fraction form
    1,315,003.92/1,814,708.52 = 711,391.92/x
  3. Step 3: Cross multiply
    1,315,003.92x = 1,814,708.52 × 711,391.92
  4. Step 4: Simplify right side
    1,315,003.92x = 1,290,968,978,283.16
  5. Step 5: Solve for x
    x = 1,290,968,978,283.16/1,315,003.92
  6. Step 6: Final answer
    x = 981,722.53

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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.