Home / 1,390,803.41-2,085,889.37-492,244.73

Finding the Fourth Proportional to 1,390,803.41, 2,085,889.37 and 492,244.73

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Solution

The fourth proportional to 1,390,803.41, 2,085,889.37 and 492,244.73 is: 738,255.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,803.41 : 2,085,889.37 = 492,244.73 : x
  2. Step 2: Convert to fraction form
    1,390,803.41/2,085,889.37 = 492,244.73/x
  3. Step 3: Cross multiply
    1,390,803.41x = 2,085,889.37 × 492,244.73
  4. Step 4: Simplify right side
    1,390,803.41x = 1,026,768,056,245.68
  5. Step 5: Solve for x
    x = 1,026,768,056,245.68/1,390,803.41
  6. Step 6: Final answer
    x = 738,255.35

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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.