Finding the Fourth Proportional to 1,218,158.84, 1,681,239.35 and 701,814.41
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Solution
The fourth proportional to 1,218,158.84, 1,681,239.35 and 701,814.41 is: 968,607.68
Step by Step Solution
- Step 1: Write the proportion equation
1,218,158.84 : 1,681,239.35 = 701,814.41 : x - Step 2: Convert to fraction form
1,218,158.84/1,681,239.35 = 701,814.41/x - Step 3: Cross multiply
1,218,158.84x = 1,681,239.35 × 701,814.41 - Step 4: Simplify right side
1,218,158.84x = 1,179,917,998,979.96 - Step 5: Solve for x
x = 1,179,917,998,979.96/1,218,158.84 - Step 6: Final answer
x = 968,607.68
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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.