Finding the Fourth Proportional to 1,252,198.41, 1,726,116.39 and 767,865.39
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Solution
The fourth proportional to 1,252,198.41, 1,726,116.39 and 767,865.39 is: 1,058,478.45
Step by Step Solution
- Step 1: Write the proportion equation
1,252,198.41 : 1,726,116.39 = 767,865.39 : x - Step 2: Convert to fraction form
1,252,198.41/1,726,116.39 = 767,865.39/x - Step 3: Cross multiply
1,252,198.41x = 1,726,116.39 × 767,865.39 - Step 4: Simplify right side
1,252,198.41x = 1,325,425,034,992.74 - Step 5: Solve for x
x = 1,325,425,034,992.74/1,252,198.41 - Step 6: Final answer
x = 1,058,478.45
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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.