Finding the Fourth Proportional to 1,104,213.68, 1,523,805.71 and 620,780.97
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Solution
The fourth proportional to 1,104,213.68, 1,523,805.71 and 620,780.97 is: 856,672.59
Step by Step Solution
- Step 1: Write the proportion equation
1,104,213.68 : 1,523,805.71 = 620,780.97 : x - Step 2: Convert to fraction form
1,104,213.68/1,523,805.71 = 620,780.97/x - Step 3: Cross multiply
1,104,213.68x = 1,523,805.71 × 620,780.97 - Step 4: Simplify right side
1,104,213.68x = 945,949,583,641.43 - Step 5: Solve for x
x = 945,949,583,641.43/1,104,213.68 - Step 6: Final answer
x = 856,672.59
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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.