Home / 889,668.63-1,331,401.46-727,874.37

Finding the Fourth Proportional to 889,668.63, 1,331,401.46 and 727,874.37

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Solution

The fourth proportional to 889,668.63, 1,331,401.46 and 727,874.37 is: 1,089,274.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,668.63 : 1,331,401.46 = 727,874.37 : x
  2. Step 2: Convert to fraction form
    889,668.63/1,331,401.46 = 727,874.37/x
  3. Step 3: Cross multiply
    889,668.63x = 1,331,401.46 × 727,874.37
  4. Step 4: Simplify right side
    889,668.63x = 969,092,995,275.21
  5. Step 5: Solve for x
    x = 969,092,995,275.21/889,668.63
  6. Step 6: Final answer
    x = 1,089,274.10

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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.