Home / 1,648,556.30-2,275,786.86-1,105,047.12

Finding the Fourth Proportional to 1,648,556.30, 2,275,786.86 and 1,105,047.12

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Solution

The fourth proportional to 1,648,556.30, 2,275,786.86 and 1,105,047.12 is: 1,525,487.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648,556.30 : 2,275,786.86 = 1,105,047.12 : x
  2. Step 2: Convert to fraction form
    1,648,556.30/2,275,786.86 = 1,105,047.12/x
  3. Step 3: Cross multiply
    1,648,556.30x = 2,275,786.86 × 1,105,047.12
  4. Step 4: Simplify right side
    1,648,556.30x = 2,514,851,715,376.84
  5. Step 5: Solve for x
    x = 2,514,851,715,376.84/1,648,556.30
  6. Step 6: Final answer
    x = 1,525,487.31

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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.