Finding the Fourth Proportional to 1,170,419.94, 1,755,629.91 and 283,955.94
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Solution
The fourth proportional to 1,170,419.94, 1,755,629.91 and 283,955.94 is: 425,933.91
Step by Step Solution
- Step 1: Write the proportion equation
1,170,419.94 : 1,755,629.91 = 283,955.94 : x - Step 2: Convert to fraction form
1,170,419.94/1,755,629.91 = 283,955.94/x - Step 3: Cross multiply
1,170,419.94x = 1,755,629.91 × 283,955.94 - Step 4: Simplify right side
1,170,419.94x = 498,521,541,386.17 - Step 5: Solve for x
x = 498,521,541,386.17/1,170,419.94 - Step 6: Final answer
x = 425,933.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.