Home / 3,919,884-5,879,826-1,260,492

Finding the Fourth Proportional to 3,919,884, 5,879,826 and 1,260,492

Calculator

Solution

The fourth proportional to 3,919,884, 5,879,826 and 1,260,492 is: 1,890,738

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,884 : 5,879,826 = 1,260,492 : x
  2. Step 2: Convert to fraction form
    3,919,884/5,879,826 = 1,260,492/x
  3. Step 3: Cross multiply
    3,919,884x = 5,879,826 × 1,260,492
  4. Step 4: Simplify right side
    3,919,884x = 7,411,473,634,392
  5. Step 5: Solve for x
    x = 7,411,473,634,392/3,919,884
  6. Step 6: Final answer
    x = 1,890,738

Related Problems

Find fourth proportional to 1,959,942, 2,939,913 and 630,246
Half scale
Find fourth proportional to 7,839,768, 11,759,652 and 2,520,984
Double scale
Find fourth proportional to 3,919,885, 5,879,827.50 and 1,260,493
Similar ratio
Find fourth proportional to 5,879,826, 8,819,739 and 1,890,738
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.