Home / 1,431,381.22-1,975,294.43-786,794.56

Finding the Fourth Proportional to 1,431,381.22, 1,975,294.43 and 786,794.56

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Solution

The fourth proportional to 1,431,381.22, 1,975,294.43 and 786,794.56 is: 1,085,770.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,381.22 : 1,975,294.43 = 786,794.56 : x
  2. Step 2: Convert to fraction form
    1,431,381.22/1,975,294.43 = 786,794.56/x
  3. Step 3: Cross multiply
    1,431,381.22x = 1,975,294.43 × 786,794.56
  4. Step 4: Simplify right side
    1,431,381.22x = 1,554,150,911,922.30
  5. Step 5: Solve for x
    x = 1,554,150,911,922.30/1,431,381.22
  6. Step 6: Final answer
    x = 1,085,770.09

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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.