Home / 1,431,522.75-1,975,459.26-819,655.23

Finding the Fourth Proportional to 1,431,522.75, 1,975,459.26 and 819,655.23

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Solution

The fourth proportional to 1,431,522.75, 1,975,459.26 and 819,655.23 is: 1,131,100.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,522.75 : 1,975,459.26 = 819,655.23 : x
  2. Step 2: Convert to fraction form
    1,431,522.75/1,975,459.26 = 819,655.23/x
  3. Step 3: Cross multiply
    1,431,522.75x = 1,975,459.26 × 819,655.23
  4. Step 4: Simplify right side
    1,431,522.75x = 1,619,195,514,110.93
  5. Step 5: Solve for x
    x = 1,619,195,514,110.93/1,431,522.75
  6. Step 6: Final answer
    x = 1,131,100.09

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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.