Home / 1,294,704-1,942,056-408,240

Finding the Fourth Proportional to 1,294,704, 1,942,056 and 408,240

Calculator

Solution

The fourth proportional to 1,294,704, 1,942,056 and 408,240 is: 612,360

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,704 : 1,942,056 = 408,240 : x
  2. Step 2: Convert to fraction form
    1,294,704/1,942,056 = 408,240/x
  3. Step 3: Cross multiply
    1,294,704x = 1,942,056 × 408,240
  4. Step 4: Simplify right side
    1,294,704x = 792,824,941,440
  5. Step 5: Solve for x
    x = 792,824,941,440/1,294,704
  6. Step 6: Final answer
    x = 612,360

Related Problems

Find fourth proportional to 647,352, 971,028 and 204,120
Half scale
Find fourth proportional to 2,589,408, 3,884,112 and 816,480
Double scale
Find fourth proportional to 1,294,705, 1,942,057.50 and 408,241
Similar ratio
Find fourth proportional to 1,942,056, 2,913,084 and 612,360
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.