Finding the Fourth Proportional to 1,212,302.97, 1,818,388.49 and 370,854.72
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Solution
The fourth proportional to 1,212,302.97, 1,818,388.49 and 370,854.72 is: 556,261.90
Step by Step Solution
- Step 1: Write the proportion equation
1,212,302.97 : 1,818,388.49 = 370,854.72 : x - Step 2: Convert to fraction form
1,212,302.97/1,818,388.49 = 370,854.72/x - Step 3: Cross multiply
1,212,302.97x = 1,818,388.49 × 370,854.72 - Step 4: Simplify right side
1,212,302.97x = 674,357,952,455.90 - Step 5: Solve for x
x = 674,357,952,455.90/1,212,302.97 - Step 6: Final answer
x = 556,261.90
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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.