Home / 1,040,370-1,560,555-252,402

Finding the Fourth Proportional to 1,040,370, 1,560,555 and 252,402

Calculator

Solution

The fourth proportional to 1,040,370, 1,560,555 and 252,402 is: 378,603

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,370 : 1,560,555 = 252,402 : x
  2. Step 2: Convert to fraction form
    1,040,370/1,560,555 = 252,402/x
  3. Step 3: Cross multiply
    1,040,370x = 1,560,555 × 252,402
  4. Step 4: Simplify right side
    1,040,370x = 393,887,203,110
  5. Step 5: Solve for x
    x = 393,887,203,110/1,040,370
  6. Step 6: Final answer
    x = 378,603

Related Problems

Find fourth proportional to 520,185, 780,277.50 and 126,201
Half scale
Find fourth proportional to 2,080,740, 3,121,110 and 504,804
Double scale
Find fourth proportional to 1,040,371, 1,560,556.50 and 252,403
Similar ratio
Find fourth proportional to 1,560,555, 2,340,832.50 and 378,603
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.