Finding the Fourth Proportional to 1,251,400.97, 1,726,804.09 and 767,986.49
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Solution
The fourth proportional to 1,251,400.97, 1,726,804.09 and 767,986.49 is: 1,059,742.04
Step by Step Solution
- Step 1: Write the proportion equation
1,251,400.97 : 1,726,804.09 = 767,986.49 : x - Step 2: Convert to fraction form
1,251,400.97/1,726,804.09 = 767,986.49/x - Step 3: Cross multiply
1,251,400.97x = 1,726,804.09 × 767,986.49 - Step 4: Simplify right side
1,251,400.97x = 1,326,162,211,996.74 - Step 5: Solve for x
x = 1,326,162,211,996.74/1,251,400.97 - Step 6: Final answer
x = 1,059,742.04
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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.