Finding the Fourth Proportional to 1,274,674.82, 1,755,257.43 and 1,246,386.02
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Solution
The fourth proportional to 1,274,674.82, 1,755,257.43 and 1,246,386.02 is: 1,716,303.08
Step by Step Solution
- Step 1: Write the proportion equation
1,274,674.82 : 1,755,257.43 = 1,246,386.02 : x - Step 2: Convert to fraction form
1,274,674.82/1,755,257.43 = 1,246,386.02/x - Step 3: Cross multiply
1,274,674.82x = 1,755,257.43 × 1,246,386.02 - Step 4: Simplify right side
1,274,674.82x = 2,187,728,322,253.13 - Step 5: Solve for x
x = 2,187,728,322,253.13/1,274,674.82 - Step 6: Final answer
x = 1,716,303.08
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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.