Finding the Fourth Proportional to 1,126,419.14, 1,689,849.23 and 495,331.13
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Solution
The fourth proportional to 1,126,419.14, 1,689,849.23 and 495,331.13 is: 743,093.66
Step by Step Solution
- Step 1: Write the proportion equation
1,126,419.14 : 1,689,849.23 = 495,331.13 : x - Step 2: Convert to fraction form
1,126,419.14/1,689,849.23 = 495,331.13/x - Step 3: Cross multiply
1,126,419.14x = 1,689,849.23 × 495,331.13 - Step 4: Simplify right side
1,126,419.14x = 837,034,917,699.63 - Step 5: Solve for x
x = 837,034,917,699.63/1,126,419.14 - Step 6: Final answer
x = 743,093.66
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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.