Finding the Fourth Proportional to 1,326,436.82, 1,830,428.97 and 811,058.84
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Solution
The fourth proportional to 1,326,436.82, 1,830,428.97 and 811,058.84 is: 1,119,228.28
Step by Step Solution
- Step 1: Write the proportion equation
1,326,436.82 : 1,830,428.97 = 811,058.84 : x - Step 2: Convert to fraction form
1,326,436.82/1,830,428.97 = 811,058.84/x - Step 3: Cross multiply
1,326,436.82x = 1,830,428.97 × 811,058.84 - Step 4: Simplify right side
1,326,436.82x = 1,484,585,597,110.59 - Step 5: Solve for x
x = 1,484,585,597,110.59/1,326,436.82 - Step 6: Final answer
x = 1,119,228.28
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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.