Home / 1,185,718.55-1,778,024.10-427,460.15

Finding the Fourth Proportional to 1,185,718.55, 1,778,024.10 and 427,460.15

Calculator

Solution

The fourth proportional to 1,185,718.55, 1,778,024.10 and 427,460.15 is: 640,990.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,718.55 : 1,778,024.10 = 427,460.15 : x
  2. Step 2: Convert to fraction form
    1,185,718.55/1,778,024.10 = 427,460.15/x
  3. Step 3: Cross multiply
    1,185,718.55x = 1,778,024.10 × 427,460.15
  4. Step 4: Simplify right side
    1,185,718.55x = 760,034,448,489.62
  5. Step 5: Solve for x
    x = 760,034,448,489.62/1,185,718.55
  6. Step 6: Final answer
    x = 640,990.60

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.