Home / 1,172,921.76-1,618,460-656,648.88

Finding the Fourth Proportional to 1,172,921.76, 1,618,460 and 656,648.88

Calculator

Solution

The fourth proportional to 1,172,921.76, 1,618,460 and 656,648.88 is: 906,079.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,921.76 : 1,618,460 = 656,648.88 : x
  2. Step 2: Convert to fraction form
    1,172,921.76/1,618,460 = 656,648.88/x
  3. Step 3: Cross multiply
    1,172,921.76x = 1,618,460 × 656,648.88
  4. Step 4: Simplify right side
    1,172,921.76x = 1,062,759,946,324.80
  5. Step 5: Solve for x
    x = 1,062,759,946,324.80/1,172,921.76
  6. Step 6: Final answer
    x = 906,079.15

Related Problems

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.