Home / 1,399,384.89-1,931,248.83-787,596.24

Finding the Fourth Proportional to 1,399,384.89, 1,931,248.83 and 787,596.24

Calculator

Solution

The fourth proportional to 1,399,384.89, 1,931,248.83 and 787,596.24 is: 1,086,937.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,384.89 : 1,931,248.83 = 787,596.24 : x
  2. Step 2: Convert to fraction form
    1,399,384.89/1,931,248.83 = 787,596.24/x
  3. Step 3: Cross multiply
    1,399,384.89x = 1,931,248.83 × 787,596.24
  4. Step 4: Simplify right side
    1,399,384.89x = 1,521,044,317,012.40
  5. Step 5: Solve for x
    x = 1,521,044,317,012.40/1,399,384.89
  6. Step 6: Final answer
    x = 1,086,937.79

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.