Finding the Fourth Proportional to 1,109,754.54, 1,531,462.14 and 770,419.62
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Solution
The fourth proportional to 1,109,754.54, 1,531,462.14 and 770,419.62 is: 1,063,179.68
Step by Step Solution
- Step 1: Write the proportion equation
1,109,754.54 : 1,531,462.14 = 770,419.62 : x - Step 2: Convert to fraction form
1,109,754.54/1,531,462.14 = 770,419.62/x - Step 3: Cross multiply
1,109,754.54x = 1,531,462.14 × 770,419.62 - Step 4: Simplify right side
1,109,754.54x = 1,179,868,479,943.19 - Step 5: Solve for x
x = 1,179,868,479,943.19/1,109,754.54 - Step 6: Final answer
x = 1,063,179.68
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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.