Finding the Fourth Proportional to 1,286,254.84, 1,775,021.68 and 713,296.48
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Solution
The fourth proportional to 1,286,254.84, 1,775,021.68 and 713,296.48 is: 984,343.60
Step by Step Solution
- Step 1: Write the proportion equation
1,286,254.84 : 1,775,021.68 = 713,296.48 : x - Step 2: Convert to fraction form
1,286,254.84/1,775,021.68 = 713,296.48/x - Step 3: Cross multiply
1,286,254.84x = 1,775,021.68 × 713,296.48 - Step 4: Simplify right side
1,286,254.84x = 1,266,116,716,267.69 - Step 5: Solve for x
x = 1,266,116,716,267.69/1,286,254.84 - Step 6: Final answer
x = 984,343.60
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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.