Finding the Fourth Proportional to 1,259,740.17, 1,889,222.67 and 360,941.09
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Solution
The fourth proportional to 1,259,740.17, 1,889,222.67 and 360,941.09 is: 541,300.58
Step by Step Solution
- Step 1: Write the proportion equation
1,259,740.17 : 1,889,222.67 = 360,941.09 : x - Step 2: Convert to fraction form
1,259,740.17/1,889,222.67 = 360,941.09/x - Step 3: Cross multiply
1,259,740.17x = 1,889,222.67 × 360,941.09 - Step 4: Simplify right side
1,259,740.17x = 681,898,080,316.40 - Step 5: Solve for x
x = 681,898,080,316.40/1,259,740.17 - Step 6: Final answer
x = 541,300.58
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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.