Home / 1,707,704.10-2,561,556.15-989,274.60

Finding the Fourth Proportional to 1,707,704.10, 2,561,556.15 and 989,274.60

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Solution

The fourth proportional to 1,707,704.10, 2,561,556.15 and 989,274.60 is: 1,483,911.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707,704.10 : 2,561,556.15 = 989,274.60 : x
  2. Step 2: Convert to fraction form
    1,707,704.10/2,561,556.15 = 989,274.60/x
  3. Step 3: Cross multiply
    1,707,704.10x = 2,561,556.15 × 989,274.60
  4. Step 4: Simplify right side
    1,707,704.10x = 2,534,082,435,668.79
  5. Step 5: Solve for x
    x = 2,534,082,435,668.79/1,707,704.10
  6. Step 6: Final answer
    x = 1,483,911.90

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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.