Finding the Fourth Proportional to 1,418,811.18, 1,958,001.08 and 774,272.97
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Solution
The fourth proportional to 1,418,811.18, 1,958,001.08 and 774,272.97 is: 1,068,519.43
Step by Step Solution
- Step 1: Write the proportion equation
1,418,811.18 : 1,958,001.08 = 774,272.97 : x - Step 2: Convert to fraction form
1,418,811.18/1,958,001.08 = 774,272.97/x - Step 3: Cross multiply
1,418,811.18x = 1,958,001.08 × 774,272.97 - Step 4: Simplify right side
1,418,811.18x = 1,516,027,311,474.81 - Step 5: Solve for x
x = 1,516,027,311,474.81/1,418,811.18 - Step 6: Final answer
x = 1,068,519.43
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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.