Finding the Fourth Proportional to 1,257,218.82, 1,734,961.88 and 684,263.09
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Solution
The fourth proportional to 1,257,218.82, 1,734,961.88 and 684,263.09 is: 944,283.02
Step by Step Solution
- Step 1: Write the proportion equation
1,257,218.82 : 1,734,961.88 = 684,263.09 : x - Step 2: Convert to fraction form
1,257,218.82/1,734,961.88 = 684,263.09/x - Step 3: Cross multiply
1,257,218.82x = 1,734,961.88 × 684,263.09 - Step 4: Simplify right side
1,257,218.82x = 1,187,170,383,089.07 - Step 5: Solve for x
x = 1,187,170,383,089.07/1,257,218.82 - Step 6: Final answer
x = 944,283.02
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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.