Home / 1,117.58-1,541.85-675.32

Finding the Fourth Proportional to 1,117.58, 1,541.85 and 675.32

Calculator

Solution

The fourth proportional to 1,117.58, 1,541.85 and 675.32 is: 931.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117.58 : 1,541.85 = 675.32 : x
  2. Step 2: Convert to fraction form
    1,117.58/1,541.85 = 675.32/x
  3. Step 3: Cross multiply
    1,117.58x = 1,541.85 × 675.32
  4. Step 4: Simplify right side
    1,117.58x = 1,041,244.37
  5. Step 5: Solve for x
    x = 1,041,244.37/1,117.58
  6. Step 6: Final answer
    x = 931.70

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.