Home / 1,386,680-2,080,020-336,056

Finding the Fourth Proportional to 1,386,680, 2,080,020 and 336,056

Calculator

Solution

The fourth proportional to 1,386,680, 2,080,020 and 336,056 is: 504,084

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,680 : 2,080,020 = 336,056 : x
  2. Step 2: Convert to fraction form
    1,386,680/2,080,020 = 336,056/x
  3. Step 3: Cross multiply
    1,386,680x = 2,080,020 × 336,056
  4. Step 4: Simplify right side
    1,386,680x = 699,003,201,120
  5. Step 5: Solve for x
    x = 699,003,201,120/1,386,680
  6. Step 6: Final answer
    x = 504,084

Related Problems

Find fourth proportional to 693,340, 1,040,010 and 168,028
Half scale
Find fourth proportional to 2,773,360, 4,160,040 and 672,112
Double scale
Find fourth proportional to 1,386,681, 2,080,021.50 and 336,057
Similar ratio
Find fourth proportional to 2,080,020, 3,120,030 and 504,084
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.