Home / 856,371.46-1,284,556.69-799,620.47

Finding the Fourth Proportional to 856,371.46, 1,284,556.69 and 799,620.47

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Solution

The fourth proportional to 856,371.46, 1,284,556.69 and 799,620.47 is: 1,199,430.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,371.46 : 1,284,556.69 = 799,620.47 : x
  2. Step 2: Convert to fraction form
    856,371.46/1,284,556.69 = 799,620.47/x
  3. Step 3: Cross multiply
    856,371.46x = 1,284,556.69 × 799,620.47
  4. Step 4: Simplify right side
    856,371.46x = 1,027,157,830,818.91
  5. Step 5: Solve for x
    x = 1,027,157,830,818.91/856,371.46
  6. Step 6: Final answer
    x = 1,199,430.24

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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.