Home / 1,291,200-1,937,111.04-404,736

Finding the Fourth Proportional to 1,291,200, 1,937,111.04 and 404,736

Calculator

Solution

The fourth proportional to 1,291,200, 1,937,111.04 and 404,736 is: 607,201.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,200 : 1,937,111.04 = 404,736 : x
  2. Step 2: Convert to fraction form
    1,291,200/1,937,111.04 = 404,736/x
  3. Step 3: Cross multiply
    1,291,200x = 1,937,111.04 × 404,736
  4. Step 4: Simplify right side
    1,291,200x = 784,018,573,885.44
  5. Step 5: Solve for x
    x = 784,018,573,885.44/1,291,200
  6. Step 6: Final answer
    x = 607,201.50

Related Problems

Find fourth proportional to 645,600, 968,555.52 and 202,368
Half scale
Find fourth proportional to 2,582,400, 3,874,222.08 and 809,472
Double scale
Find fourth proportional to 1,291,201, 1,937,112.54 and 404,737
Similar ratio
Find fourth proportional to 1,936,800, 2,905,666.56 and 607,104
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.