Home / 1,396,230.64-2,092,454.04-722,784.75

Finding the Fourth Proportional to 1,396,230.64, 2,092,454.04 and 722,784.75

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Solution

The fourth proportional to 1,396,230.64, 2,092,454.04 and 722,784.75 is: 1,083,197.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,230.64 : 2,092,454.04 = 722,784.75 : x
  2. Step 2: Convert to fraction form
    1,396,230.64/2,092,454.04 = 722,784.75/x
  3. Step 3: Cross multiply
    1,396,230.64x = 2,092,454.04 × 722,784.75
  4. Step 4: Simplify right side
    1,396,230.64x = 1,512,393,865,051.63
  5. Step 5: Solve for x
    x = 1,512,393,865,051.63/1,396,230.64
  6. Step 6: Final answer
    x = 1,083,197.74

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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.