Home / 1,061,021.28-1,465,524.48-770,168.16

Finding the Fourth Proportional to 1,061,021.28, 1,465,524.48 and 770,168.16

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Solution

The fourth proportional to 1,061,021.28, 1,465,524.48 and 770,168.16 is: 1,063,786.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061,021.28 : 1,465,524.48 = 770,168.16 : x
  2. Step 2: Convert to fraction form
    1,061,021.28/1,465,524.48 = 770,168.16/x
  3. Step 3: Cross multiply
    1,061,021.28x = 1,465,524.48 × 770,168.16
  4. Step 4: Simplify right side
    1,061,021.28x = 1,128,700,292,196.56
  5. Step 5: Solve for x
    x = 1,128,700,292,196.56/1,061,021.28
  6. Step 6: Final answer
    x = 1,063,786.67

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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.