Finding the Fourth Proportional to 1,107,553.70, 1,661,330.55 and 930,406.70
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Solution
The fourth proportional to 1,107,553.70, 1,661,330.55 and 930,406.70 is: 1,395,610.05
Step by Step Solution
- Step 1: Write the proportion equation
1,107,553.70 : 1,661,330.55 = 930,406.70 : x - Step 2: Convert to fraction form
1,107,553.70/1,661,330.55 = 930,406.70/x - Step 3: Cross multiply
1,107,553.70x = 1,661,330.55 × 930,406.70 - Step 4: Simplify right side
1,107,553.70x = 1,545,713,074,634.69 - Step 5: Solve for x
x = 1,545,713,074,634.69/1,107,553.70 - Step 6: Final answer
x = 1,395,610.05
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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.