Home / 1,039,446-1,559,169-251,478

Finding the Fourth Proportional to 1,039,446, 1,559,169 and 251,478

Calculator

Solution

The fourth proportional to 1,039,446, 1,559,169 and 251,478 is: 377,217

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,446 : 1,559,169 = 251,478 : x
  2. Step 2: Convert to fraction form
    1,039,446/1,559,169 = 251,478/x
  3. Step 3: Cross multiply
    1,039,446x = 1,559,169 × 251,478
  4. Step 4: Simplify right side
    1,039,446x = 392,096,701,782
  5. Step 5: Solve for x
    x = 392,096,701,782/1,039,446
  6. Step 6: Final answer
    x = 377,217

Related Problems

Find fourth proportional to 519,723, 779,584.50 and 125,739
Half scale
Find fourth proportional to 2,078,892, 3,118,338 and 502,956
Double scale
Find fourth proportional to 1,039,447, 1,559,170.50 and 251,479
Similar ratio
Find fourth proportional to 1,559,169, 2,338,753.50 and 377,217
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.