Finding the Fourth Proportional to 1,272,596.76, 1,908,851.40 and 325,975.68
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Solution
The fourth proportional to 1,272,596.76, 1,908,851.40 and 325,975.68 is: 488,952.32
Step by Step Solution
- Step 1: Write the proportion equation
1,272,596.76 : 1,908,851.40 = 325,975.68 : x - Step 2: Convert to fraction form
1,272,596.76/1,908,851.40 = 325,975.68/x - Step 3: Cross multiply
1,272,596.76x = 1,908,851.40 × 325,975.68 - Step 4: Simplify right side
1,272,596.76x = 622,239,133,133.95 - Step 5: Solve for x
x = 622,239,133,133.95/1,272,596.76 - Step 6: Final answer
x = 488,952.32
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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.