Home / 1,065.18-1,470.51-803.82

Finding the Fourth Proportional to 1,065.18, 1,470.51 and 803.82

Calculator

Solution

The fourth proportional to 1,065.18, 1,470.51 and 803.82 is: 1,109.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065.18 : 1,470.51 = 803.82 : x
  2. Step 2: Convert to fraction form
    1,065.18/1,470.51 = 803.82/x
  3. Step 3: Cross multiply
    1,065.18x = 1,470.51 × 803.82
  4. Step 4: Simplify right side
    1,065.18x = 1,182,025.35
  5. Step 5: Solve for x
    x = 1,182,025.35/1,065.18
  6. Step 6: Final answer
    x = 1,109.70

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.