Home / 1,427,961.64-1,970,461.56-815,992.96

Finding the Fourth Proportional to 1,427,961.64, 1,970,461.56 and 815,992.96

Calculator

Solution

The fourth proportional to 1,427,961.64, 1,970,461.56 and 815,992.96 is: 1,125,998.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,961.64 : 1,970,461.56 = 815,992.96 : x
  2. Step 2: Convert to fraction form
    1,427,961.64/1,970,461.56 = 815,992.96/x
  3. Step 3: Cross multiply
    1,427,961.64x = 1,970,461.56 × 815,992.96
  4. Step 4: Simplify right side
    1,427,961.64x = 1,607,882,760,910.62
  5. Step 5: Solve for x
    x = 1,607,882,760,910.62/1,427,961.64
  6. Step 6: Final answer
    x = 1,125,998.57

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.