Home / 1,319,723.80-1,978,783.80-520,083.70

Finding the Fourth Proportional to 1,319,723.80, 1,978,783.80 and 520,083.70

Calculator

Solution

The fourth proportional to 1,319,723.80, 1,978,783.80 and 520,083.70 is: 779,809.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,723.80 : 1,978,783.80 = 520,083.70 : x
  2. Step 2: Convert to fraction form
    1,319,723.80/1,978,783.80 = 520,083.70/x
  3. Step 3: Cross multiply
    1,319,723.80x = 1,978,783.80 × 520,083.70
  4. Step 4: Simplify right side
    1,319,723.80x = 1,029,133,200,204.06
  5. Step 5: Solve for x
    x = 1,029,133,200,204.06/1,319,723.80
  6. Step 6: Final answer
    x = 779,809.53

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.