Finding the Fourth Proportional to 1,257,219.82, 1,734,963.26 and 684,264.09
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Solution
The fourth proportional to 1,257,219.82, 1,734,963.26 and 684,264.09 is: 944,284.39
Step by Step Solution
- Step 1: Write the proportion equation
1,257,219.82 : 1,734,963.26 = 684,264.09 : x - Step 2: Convert to fraction form
1,257,219.82/1,734,963.26 = 684,264.09/x - Step 3: Cross multiply
1,257,219.82x = 1,734,963.26 × 684,264.09 - Step 4: Simplify right side
1,257,219.82x = 1,187,173,056,287.33 - Step 5: Solve for x
x = 1,187,173,056,287.33/1,257,219.82 - Step 6: Final answer
x = 944,284.39
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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.