Finding the Fourth Proportional to 1,116,322.74, 1,540,799.14 and 633,170.70
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Solution
The fourth proportional to 1,116,322.74, 1,540,799.14 and 633,170.70 is: 873,930.84
Step by Step Solution
- Step 1: Write the proportion equation
1,116,322.74 : 1,540,799.14 = 633,170.70 : x - Step 2: Convert to fraction form
1,116,322.74/1,540,799.14 = 633,170.70/x - Step 3: Cross multiply
1,116,322.74x = 1,540,799.14 × 633,170.70 - Step 4: Simplify right side
1,116,322.74x = 975,588,868,450.27 - Step 5: Solve for x
x = 975,588,868,450.27/1,116,322.74 - Step 6: Final answer
x = 873,930.84
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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.