Home / 1,019,850.48-1,407,141.72-637,686

Finding the Fourth Proportional to 1,019,850.48, 1,407,141.72 and 637,686

Calculator

Solution

The fourth proportional to 1,019,850.48, 1,407,141.72 and 637,686 is: 879,849.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,850.48 : 1,407,141.72 = 637,686 : x
  2. Step 2: Convert to fraction form
    1,019,850.48/1,407,141.72 = 637,686/x
  3. Step 3: Cross multiply
    1,019,850.48x = 1,407,141.72 × 637,686
  4. Step 4: Simplify right side
    1,019,850.48x = 897,314,574,859.92
  5. Step 5: Solve for x
    x = 897,314,574,859.92/1,019,850.48
  6. Step 6: Final answer
    x = 879,849.15

Related Problems

Find fourth proportional to 509,925.24, 703,570.86 and 318,843
Half scale
Find fourth proportional to 2,039,700.96, 2,814,283.44 and 1,275,372
Double scale
Find fourth proportional to 1,019,851.48, 1,407,143.10 and 637,687
Similar ratio
Find fourth proportional to 1,529,775.72, 2,110,712.58 and 956,529
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.