Finding the Fourth Proportional to 1,119,057.64, 1,678,825.14 and 360,941.68
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Solution
The fourth proportional to 1,119,057.64, 1,678,825.14 and 360,941.68 is: 541,489.50
Step by Step Solution
- Step 1: Write the proportion equation
1,119,057.64 : 1,678,825.14 = 360,941.68 : x - Step 2: Convert to fraction form
1,119,057.64/1,678,825.14 = 360,941.68/x - Step 3: Cross multiply
1,119,057.64x = 1,678,825.14 × 360,941.68 - Step 4: Simplify right side
1,119,057.64x = 605,957,966,457.84 - Step 5: Solve for x
x = 605,957,966,457.84/1,119,057.64 - Step 6: Final answer
x = 541,489.50
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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.