Home / 1,207,725.80-1,666,651.77-663,855.80

Finding the Fourth Proportional to 1,207,725.80, 1,666,651.77 and 663,855.80

Calculator

Solution

The fourth proportional to 1,207,725.80, 1,666,651.77 and 663,855.80 is: 916,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,725.80 : 1,666,651.77 = 663,855.80 : x
  2. Step 2: Convert to fraction form
    1,207,725.80/1,666,651.77 = 663,855.80/x
  3. Step 3: Cross multiply
    1,207,725.80x = 1,666,651.77 × 663,855.80
  4. Step 4: Simplify right side
    1,207,725.80x = 1,106,416,447,003.52
  5. Step 5: Solve for x
    x = 1,106,416,447,003.52/1,207,725.80
  6. Step 6: Final answer
    x = 916,115.60

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.