Home / 1,290,383.44-1,935,450-391,832.96

Finding the Fourth Proportional to 1,290,383.44, 1,935,450 and 391,832.96

Calculator

Solution

The fourth proportional to 1,290,383.44, 1,935,450 and 391,832.96 is: 587,711.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,383.44 : 1,935,450 = 391,832.96 : x
  2. Step 2: Convert to fraction form
    1,290,383.44/1,935,450 = 391,832.96/x
  3. Step 3: Cross multiply
    1,290,383.44x = 1,935,450 × 391,832.96
  4. Step 4: Simplify right side
    1,290,383.44x = 758,373,102,432
  5. Step 5: Solve for x
    x = 758,373,102,432/1,290,383.44
  6. Step 6: Final answer
    x = 587,711.43

Related Problems

Find fourth proportional to 645,191.72, 967,725 and 195,916.48
Half scale
Find fourth proportional to 2,580,766.88, 3,870,900 and 783,665.92
Double scale
Find fourth proportional to 1,290,384.44, 1,935,451.50 and 391,833.96
Similar ratio
Find fourth proportional to 1,935,575.16, 2,903,175 and 587,749.44
1.5x scale

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.