Home / 1,364,739.38-2,042,910.02-890,403.38

Finding the Fourth Proportional to 1,364,739.38, 2,042,910.02 and 890,403.38

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Solution

The fourth proportional to 1,364,739.38, 2,042,910.02 and 890,403.38 is: 1,332,865.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364,739.38 : 2,042,910.02 = 890,403.38 : x
  2. Step 2: Convert to fraction form
    1,364,739.38/2,042,910.02 = 890,403.38/x
  3. Step 3: Cross multiply
    1,364,739.38x = 2,042,910.02 × 890,403.38
  4. Step 4: Simplify right side
    1,364,739.38x = 1,819,013,976,629.32
  5. Step 5: Solve for x
    x = 1,819,013,976,629.32/1,364,739.38
  6. Step 6: Final answer
    x = 1,332,865.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.