Home / 1,129,320-1,693,980-341,352

Finding the Fourth Proportional to 1,129,320, 1,693,980 and 341,352

Calculator

Solution

The fourth proportional to 1,129,320, 1,693,980 and 341,352 is: 512,028

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,320 : 1,693,980 = 341,352 : x
  2. Step 2: Convert to fraction form
    1,129,320/1,693,980 = 341,352/x
  3. Step 3: Cross multiply
    1,129,320x = 1,693,980 × 341,352
  4. Step 4: Simplify right side
    1,129,320x = 578,243,460,960
  5. Step 5: Solve for x
    x = 578,243,460,960/1,129,320
  6. Step 6: Final answer
    x = 512,028

Related Problems

Find fourth proportional to 564,660, 846,990 and 170,676
Half scale
Find fourth proportional to 2,258,640, 3,387,960 and 682,704
Double scale
Find fourth proportional to 1,129,321, 1,693,981.50 and 341,353
Similar ratio
Find fourth proportional to 1,693,980, 2,540,970 and 512,028
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.