Home / 1,151,852.80-1,728,556.80-646,412.80

Finding the Fourth Proportional to 1,151,852.80, 1,728,556.80 and 646,412.80

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Solution

The fourth proportional to 1,151,852.80, 1,728,556.80 and 646,412.80 is: 970,055.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,852.80 : 1,728,556.80 = 646,412.80 : x
  2. Step 2: Convert to fraction form
    1,151,852.80/1,728,556.80 = 646,412.80/x
  3. Step 3: Cross multiply
    1,151,852.80x = 1,728,556.80 × 646,412.80
  4. Step 4: Simplify right side
    1,151,852.80x = 1,117,361,241,047.04
  5. Step 5: Solve for x
    x = 1,117,361,241,047.04/1,151,852.80
  6. Step 6: Final answer
    x = 970,055.58

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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.