Home / 1,381,509-2,072,380.16-384,237

Finding the Fourth Proportional to 1,381,509, 2,072,380.16 and 384,237

Calculator

Solution

The fourth proportional to 1,381,509, 2,072,380.16 and 384,237 is: 576,387.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,509 : 2,072,380.16 = 384,237 : x
  2. Step 2: Convert to fraction form
    1,381,509/2,072,380.16 = 384,237/x
  3. Step 3: Cross multiply
    1,381,509x = 2,072,380.16 × 384,237
  4. Step 4: Simplify right side
    1,381,509x = 796,285,135,537.92
  5. Step 5: Solve for x
    x = 796,285,135,537.92/1,381,509
  6. Step 6: Final answer
    x = 576,387.95

Related Problems

Find fourth proportional to 690,754.50, 1,036,190.08 and 192,118.50
Half scale
Find fourth proportional to 2,763,018, 4,144,760.32 and 768,474
Double scale
Find fourth proportional to 1,381,510, 2,072,381.66 and 384,238
Similar ratio
Find fourth proportional to 2,072,263.50, 3,108,570.24 and 576,355.50
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.