Home / 1,045,667-1,568,500.50-257,699

Finding the Fourth Proportional to 1,045,667, 1,568,500.50 and 257,699

Calculator

Solution

The fourth proportional to 1,045,667, 1,568,500.50 and 257,699 is: 386,548.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,667 : 1,568,500.50 = 257,699 : x
  2. Step 2: Convert to fraction form
    1,045,667/1,568,500.50 = 257,699/x
  3. Step 3: Cross multiply
    1,045,667x = 1,568,500.50 × 257,699
  4. Step 4: Simplify right side
    1,045,667x = 404,201,010,349.50
  5. Step 5: Solve for x
    x = 404,201,010,349.50/1,045,667
  6. Step 6: Final answer
    x = 386,548.50

Related Problems

Find fourth proportional to 522,833.50, 784,250.25 and 128,849.50
Half scale
Find fourth proportional to 2,091,334, 3,137,001 and 515,398
Double scale
Find fourth proportional to 1,045,668, 1,568,502 and 257,700
Similar ratio
Find fourth proportional to 1,568,500.50, 2,352,750.75 and 386,548.50
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.