Home / 1,366,979.65-1,886,447.75-755,119.80

Finding the Fourth Proportional to 1,366,979.65, 1,886,447.75 and 755,119.80

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Solution

The fourth proportional to 1,366,979.65, 1,886,447.75 and 755,119.80 is: 1,042,074.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,979.65 : 1,886,447.75 = 755,119.80 : x
  2. Step 2: Convert to fraction form
    1,366,979.65/1,886,447.75 = 755,119.80/x
  3. Step 3: Cross multiply
    1,366,979.65x = 1,886,447.75 × 755,119.80
  4. Step 4: Simplify right side
    1,366,979.65x = 1,424,494,043,914.85
  5. Step 5: Solve for x
    x = 1,424,494,043,914.85/1,366,979.65
  6. Step 6: Final answer
    x = 1,042,074.07

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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.