Home / 1,393,290-2,089,846.59-494,613.42

Finding the Fourth Proportional to 1,393,290, 2,089,846.59 and 494,613.42

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Solution

The fourth proportional to 1,393,290, 2,089,846.59 and 494,613.42 is: 741,888.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,290 : 2,089,846.59 = 494,613.42 : x
  2. Step 2: Convert to fraction form
    1,393,290/2,089,846.59 = 494,613.42/x
  3. Step 3: Cross multiply
    1,393,290x = 2,089,846.59 × 494,613.42
  4. Step 4: Simplify right side
    1,393,290x = 1,033,666,169,155.24
  5. Step 5: Solve for x
    x = 1,033,666,169,155.24/1,393,290
  6. Step 6: Final answer
    x = 741,888.74

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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.