Home / 1,842,912-2,764,368-513,216

Finding the Fourth Proportional to 1,842,912, 2,764,368 and 513,216

Calculator

Solution

The fourth proportional to 1,842,912, 2,764,368 and 513,216 is: 769,824

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842,912 : 2,764,368 = 513,216 : x
  2. Step 2: Convert to fraction form
    1,842,912/2,764,368 = 513,216/x
  3. Step 3: Cross multiply
    1,842,912x = 2,764,368 × 513,216
  4. Step 4: Simplify right side
    1,842,912x = 1,418,717,887,488
  5. Step 5: Solve for x
    x = 1,418,717,887,488/1,842,912
  6. Step 6: Final answer
    x = 769,824

Related Problems

Find fourth proportional to 921,456, 1,382,184 and 256,608
Half scale
Find fourth proportional to 3,685,824, 5,528,736 and 1,026,432
Double scale
Find fourth proportional to 1,842,913, 2,764,369.50 and 513,217
Similar ratio
Find fourth proportional to 2,764,368, 4,146,552 and 769,824
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.