Home / 1,382,920-2,074,380-332,296

Finding the Fourth Proportional to 1,382,920, 2,074,380 and 332,296

Calculator

Solution

The fourth proportional to 1,382,920, 2,074,380 and 332,296 is: 498,444

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,920 : 2,074,380 = 332,296 : x
  2. Step 2: Convert to fraction form
    1,382,920/2,074,380 = 332,296/x
  3. Step 3: Cross multiply
    1,382,920x = 2,074,380 × 332,296
  4. Step 4: Simplify right side
    1,382,920x = 689,308,176,480
  5. Step 5: Solve for x
    x = 689,308,176,480/1,382,920
  6. Step 6: Final answer
    x = 498,444

Related Problems

Find fourth proportional to 691,460, 1,037,190 and 166,148
Half scale
Find fourth proportional to 2,765,840, 4,148,760 and 664,592
Double scale
Find fourth proportional to 1,382,921, 2,074,381.50 and 332,297
Similar ratio
Find fourth proportional to 2,074,380, 3,111,570 and 498,444
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.