Home / 1,105,128.05-1,657,692.16-306,409.61

Finding the Fourth Proportional to 1,105,128.05, 1,657,692.16 and 306,409.61

Calculator

Solution

The fourth proportional to 1,105,128.05, 1,657,692.16 and 306,409.61 is: 459,614.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,128.05 : 1,657,692.16 = 306,409.61 : x
  2. Step 2: Convert to fraction form
    1,105,128.05/1,657,692.16 = 306,409.61/x
  3. Step 3: Cross multiply
    1,105,128.05x = 1,657,692.16 × 306,409.61
  4. Step 4: Simplify right side
    1,105,128.05x = 507,932,811,623.86
  5. Step 5: Solve for x
    x = 507,932,811,623.86/1,105,128.05
  6. Step 6: Final answer
    x = 459,614.44

Related Problems

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.