Home / 1,403,009.24-1,936,342.38-791,287.64

Finding the Fourth Proportional to 1,403,009.24, 1,936,342.38 and 791,287.64

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Solution

The fourth proportional to 1,403,009.24, 1,936,342.38 and 791,287.64 is: 1,092,083.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,009.24 : 1,936,342.38 = 791,287.64 : x
  2. Step 2: Convert to fraction form
    1,403,009.24/1,936,342.38 = 791,287.64/x
  3. Step 3: Cross multiply
    1,403,009.24x = 1,936,342.38 × 791,287.64
  4. Step 4: Simplify right side
    1,403,009.24x = 1,532,203,792,102.18
  5. Step 5: Solve for x
    x = 1,532,203,792,102.18/1,403,009.24
  6. Step 6: Final answer
    x = 1,092,083.89

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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.