Finding the Fourth Proportional to 1,235,781.38, 1,853,847.50 and 382,920.05
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Solution
The fourth proportional to 1,235,781.38, 1,853,847.50 and 382,920.05 is: 574,434.43
Step by Step Solution
- Step 1: Write the proportion equation
1,235,781.38 : 1,853,847.50 = 382,920.05 : x - Step 2: Convert to fraction form
1,235,781.38/1,853,847.50 = 382,920.05/x - Step 3: Cross multiply
1,235,781.38x = 1,853,847.50 × 382,920.05 - Step 4: Simplify right side
1,235,781.38x = 709,875,366,208.54 - Step 5: Solve for x
x = 709,875,366,208.54/1,235,781.38 - Step 6: Final answer
x = 574,434.43
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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.