Home / 1,221,015-1,685,000.70-677,234.07

Finding the Fourth Proportional to 1,221,015, 1,685,000.70 and 677,234.07

Calculator

Solution

The fourth proportional to 1,221,015, 1,685,000.70 and 677,234.07 is: 934,583.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,015 : 1,685,000.70 = 677,234.07 : x
  2. Step 2: Convert to fraction form
    1,221,015/1,685,000.70 = 677,234.07/x
  3. Step 3: Cross multiply
    1,221,015x = 1,685,000.70 × 677,234.07
  4. Step 4: Simplify right side
    1,221,015x = 1,141,139,882,013.85
  5. Step 5: Solve for x
    x = 1,141,139,882,013.85/1,221,015
  6. Step 6: Final answer
    x = 934,583.02

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.