Home / 1,508,232.49-2,262,477.91-428,749.11

Finding the Fourth Proportional to 1,508,232.49, 2,262,477.91 and 428,749.11

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Solution

The fourth proportional to 1,508,232.49, 2,262,477.91 and 428,749.11 is: 643,160.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,232.49 : 2,262,477.91 = 428,749.11 : x
  2. Step 2: Convert to fraction form
    1,508,232.49/2,262,477.91 = 428,749.11/x
  3. Step 3: Cross multiply
    1,508,232.49x = 2,262,477.91 × 428,749.11
  4. Step 4: Simplify right side
    1,508,232.49x = 970,035,388,163.41
  5. Step 5: Solve for x
    x = 970,035,388,163.41/1,508,232.49
  6. Step 6: Final answer
    x = 643,160.38

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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.