Finding the Fourth Proportional to 1,094,515.20, 1,641,936.96 and 384,418.08
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Solution
The fourth proportional to 1,094,515.20, 1,641,936.96 and 384,418.08 is: 576,684.78
Step by Step Solution
- Step 1: Write the proportion equation
1,094,515.20 : 1,641,936.96 = 384,418.08 : x - Step 2: Convert to fraction form
1,094,515.20/1,641,936.96 = 384,418.08/x - Step 3: Cross multiply
1,094,515.20x = 1,641,936.96 × 384,418.08 - Step 4: Simplify right side
1,094,515.20x = 631,190,253,644.24 - Step 5: Solve for x
x = 631,190,253,644.24/1,094,515.20 - Step 6: Final answer
x = 576,684.78
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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.