Home / 1,978,583.28-2,968,090-630,429

Finding the Fourth Proportional to 1,978,583.28, 2,968,090 and 630,429

Calculator

Solution

The fourth proportional to 1,978,583.28, 2,968,090 and 630,429 is: 945,712.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,583.28 : 2,968,090 = 630,429 : x
  2. Step 2: Convert to fraction form
    1,978,583.28/2,968,090 = 630,429/x
  3. Step 3: Cross multiply
    1,978,583.28x = 2,968,090 × 630,429
  4. Step 4: Simplify right side
    1,978,583.28x = 1,871,170,010,610
  5. Step 5: Solve for x
    x = 1,871,170,010,610/1,978,583.28
  6. Step 6: Final answer
    x = 945,712.03

Related Problems

Find fourth proportional to 989,291.64, 1,484,045 and 315,214.50
Half scale
Find fourth proportional to 3,957,166.56, 5,936,180 and 1,260,858
Double scale
Find fourth proportional to 1,978,584.28, 2,968,091.50 and 630,430
Similar ratio
Find fourth proportional to 2,967,874.92, 4,452,135 and 945,643.50
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.