Home / 1,409,670.42-1,945,346.01-765,090.61

Finding the Fourth Proportional to 1,409,670.42, 1,945,346.01 and 765,090.61

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Solution

The fourth proportional to 1,409,670.42, 1,945,346.01 and 765,090.61 is: 1,055,825.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,670.42 : 1,945,346.01 = 765,090.61 : x
  2. Step 2: Convert to fraction form
    1,409,670.42/1,945,346.01 = 765,090.61/x
  3. Step 3: Cross multiply
    1,409,670.42x = 1,945,346.01 × 765,090.61
  4. Step 4: Simplify right side
    1,409,670.42x = 1,488,365,965,451.97
  5. Step 5: Solve for x
    x = 1,488,365,965,451.97/1,409,670.42
  6. Step 6: Final answer
    x = 1,055,825.49

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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.