Home / 1,208,910.69-1,668,244.05-665,011.98

Finding the Fourth Proportional to 1,208,910.69, 1,668,244.05 and 665,011.98

Calculator

Solution

The fourth proportional to 1,208,910.69, 1,668,244.05 and 665,011.98 is: 917,687.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,910.69 : 1,668,244.05 = 665,011.98 : x
  2. Step 2: Convert to fraction form
    1,208,910.69/1,668,244.05 = 665,011.98/x
  3. Step 3: Cross multiply
    1,208,910.69x = 1,668,244.05 × 665,011.98
  4. Step 4: Simplify right side
    1,208,910.69x = 1,109,402,278,813.72
  5. Step 5: Solve for x
    x = 1,109,402,278,813.72/1,208,910.69
  6. Step 6: Final answer
    x = 917,687.54

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.