Home / 1,407.01-1,940.89-875.98

Finding the Fourth Proportional to 1,407.01, 1,940.89 and 875.98

Calculator

Solution

The fourth proportional to 1,407.01, 1,940.89 and 875.98 is: 1,208.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407.01 : 1,940.89 = 875.98 : x
  2. Step 2: Convert to fraction form
    1,407.01/1,940.89 = 875.98/x
  3. Step 3: Cross multiply
    1,407.01x = 1,940.89 × 875.98
  4. Step 4: Simplify right side
    1,407.01x = 1,700,180.82
  5. Step 5: Solve for x
    x = 1,700,180.82/1,407.01
  6. Step 6: Final answer
    x = 1,208.36

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.