Home / 1,684,118.39-2,324,082.78-909,749.07

Finding the Fourth Proportional to 1,684,118.39, 2,324,082.78 and 909,749.07

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Solution

The fourth proportional to 1,684,118.39, 2,324,082.78 and 909,749.07 is: 1,255,453.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,118.39 : 2,324,082.78 = 909,749.07 : x
  2. Step 2: Convert to fraction form
    1,684,118.39/2,324,082.78 = 909,749.07/x
  3. Step 3: Cross multiply
    1,684,118.39x = 2,324,082.78 × 909,749.07
  4. Step 4: Simplify right side
    1,684,118.39x = 2,114,332,147,708.01
  5. Step 5: Solve for x
    x = 2,114,332,147,708.01/1,684,118.39
  6. Step 6: Final answer
    x = 1,255,453.40

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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.