Home / 1,393,055.13-2,089,790.31-494,421.61

Finding the Fourth Proportional to 1,393,055.13, 2,089,790.31 and 494,421.61

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Solution

The fourth proportional to 1,393,055.13, 2,089,790.31 and 494,421.61 is: 741,706.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,055.13 : 2,089,790.31 = 494,421.61 : x
  2. Step 2: Convert to fraction form
    1,393,055.13/2,089,790.31 = 494,421.61/x
  3. Step 3: Cross multiply
    1,393,055.13x = 2,089,790.31 × 494,421.61
  4. Step 4: Simplify right side
    1,393,055.13x = 1,033,237,491,886.41
  5. Step 5: Solve for x
    x = 1,033,237,491,886.41/1,393,055.13
  6. Step 6: Final answer
    x = 741,706.10

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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.