Home / 1,393,185.75-2,089,780.85-382,321.54

Finding the Fourth Proportional to 1,393,185.75, 2,089,780.85 and 382,321.54

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Solution

The fourth proportional to 1,393,185.75, 2,089,780.85 and 382,321.54 is: 573,482.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,185.75 : 2,089,780.85 = 382,321.54 : x
  2. Step 2: Convert to fraction form
    1,393,185.75/2,089,780.85 = 382,321.54/x
  3. Step 3: Cross multiply
    1,393,185.75x = 2,089,780.85 × 382,321.54
  4. Step 4: Simplify right side
    1,393,185.75x = 798,968,232,834.51
  5. Step 5: Solve for x
    x = 798,968,232,834.51/1,393,185.75
  6. Step 6: Final answer
    x = 573,482.92

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1.5x scale

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.