Home / 1,409,418.76-1,945,002.98-764,838.78

Finding the Fourth Proportional to 1,409,418.76, 1,945,002.98 and 764,838.78

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Solution

The fourth proportional to 1,409,418.76, 1,945,002.98 and 764,838.78 is: 1,055,480.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,418.76 : 1,945,002.98 = 764,838.78 : x
  2. Step 2: Convert to fraction form
    1,409,418.76/1,945,002.98 = 764,838.78/x
  3. Step 3: Cross multiply
    1,409,418.76x = 1,945,002.98 × 764,838.78
  4. Step 4: Simplify right side
    1,409,418.76x = 1,487,613,706,408.22
  5. Step 5: Solve for x
    x = 1,487,613,706,408.22/1,409,418.76
  6. Step 6: Final answer
    x = 1,055,480.28

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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.