Finding the Fourth Proportional to 1,432,109.19, 1,976,259.56 and 787,523.75
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Solution
The fourth proportional to 1,432,109.19, 1,976,259.56 and 787,523.75 is: 1,086,754.65
Step by Step Solution
- Step 1: Write the proportion equation
1,432,109.19 : 1,976,259.56 = 787,523.75 : x - Step 2: Convert to fraction form
1,432,109.19/1,976,259.56 = 787,523.75/x - Step 3: Cross multiply
1,432,109.19x = 1,976,259.56 × 787,523.75 - Step 4: Simplify right side
1,432,109.19x = 1,556,351,325,845.63 - Step 5: Solve for x
x = 1,556,351,325,845.63/1,432,109.19 - Step 6: Final answer
x = 1,086,754.65
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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.