Home / 1,434,021.44-2,151,401.24-423,102.56

Finding the Fourth Proportional to 1,434,021.44, 2,151,401.24 and 423,102.56

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Solution

The fourth proportional to 1,434,021.44, 2,151,401.24 and 423,102.56 is: 634,762.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,021.44 : 2,151,401.24 = 423,102.56 : x
  2. Step 2: Convert to fraction form
    1,434,021.44/2,151,401.24 = 423,102.56/x
  3. Step 3: Cross multiply
    1,434,021.44x = 2,151,401.24 × 423,102.56
  4. Step 4: Simplify right side
    1,434,021.44x = 910,263,362,531.93
  5. Step 5: Solve for x
    x = 910,263,362,531.93/1,434,021.44
  6. Step 6: Final answer
    x = 634,762.73

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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.