Home / 726,424-1,089,636-201,112

Finding the Fourth Proportional to 726,424, 1,089,636 and 201,112

Calculator

Solution

The fourth proportional to 726,424, 1,089,636 and 201,112 is: 301,668

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,424 : 1,089,636 = 201,112 : x
  2. Step 2: Convert to fraction form
    726,424/1,089,636 = 201,112/x
  3. Step 3: Cross multiply
    726,424x = 1,089,636 × 201,112
  4. Step 4: Simplify right side
    726,424x = 219,138,875,232
  5. Step 5: Solve for x
    x = 219,138,875,232/726,424
  6. Step 6: Final answer
    x = 301,668

Related Problems

Find fourth proportional to 363,212, 544,818 and 100,556
Half scale
Find fourth proportional to 1,452,848, 2,179,272 and 402,224
Double scale
Find fourth proportional to 726,425, 1,089,637.50 and 201,113
Similar ratio
Find fourth proportional to 1,089,636, 1,634,454 and 301,668
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.