Home / 1,959,936-2,939,904-630,240

Finding the Fourth Proportional to 1,959,936, 2,939,904 and 630,240

Calculator

Solution

The fourth proportional to 1,959,936, 2,939,904 and 630,240 is: 945,360

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959,936 : 2,939,904 = 630,240 : x
  2. Step 2: Convert to fraction form
    1,959,936/2,939,904 = 630,240/x
  3. Step 3: Cross multiply
    1,959,936x = 2,939,904 × 630,240
  4. Step 4: Simplify right side
    1,959,936x = 1,852,845,096,960
  5. Step 5: Solve for x
    x = 1,852,845,096,960/1,959,936
  6. Step 6: Final answer
    x = 945,360

Related Problems

Find fourth proportional to 979,968, 1,469,952 and 315,120
Half scale
Find fourth proportional to 3,919,872, 5,879,808 and 1,260,480
Double scale
Find fourth proportional to 1,959,937, 2,939,905.50 and 630,241
Similar ratio
Find fourth proportional to 2,939,904, 4,409,856 and 945,360
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.