Finding the Fourth Proportional to 1,226,715.33, 1,840,146.81 and 385,267.08
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Solution
The fourth proportional to 1,226,715.33, 1,840,146.81 and 385,267.08 is: 577,923.81
Step by Step Solution
- Step 1: Write the proportion equation
1,226,715.33 : 1,840,146.81 = 385,267.08 : x - Step 2: Convert to fraction form
1,226,715.33/1,840,146.81 = 385,267.08/x - Step 3: Cross multiply
1,226,715.33x = 1,840,146.81 × 385,267.08 - Step 4: Simplify right side
1,226,715.33x = 708,947,995,882.94 - Step 5: Solve for x
x = 708,947,995,882.94/1,226,715.33 - Step 6: Final answer
x = 577,923.81
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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.