Home / 1,015.42-1,521.90-726.25

Finding the Fourth Proportional to 1,015.42, 1,521.90 and 726.25

Calculator

Solution

The fourth proportional to 1,015.42, 1,521.90 and 726.25 is: 1,088.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015.42 : 1,521.90 = 726.25 : x
  2. Step 2: Convert to fraction form
    1,015.42/1,521.90 = 726.25/x
  3. Step 3: Cross multiply
    1,015.42x = 1,521.90 × 726.25
  4. Step 4: Simplify right side
    1,015.42x = 1,105,279.88
  5. Step 5: Solve for x
    x = 1,105,279.88/1,015.42
  6. Step 6: Final answer
    x = 1,088.50

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.