Finding the Fourth Proportional to 1,240,226.68, 1,711,699.86 and 757,072.84
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Solution
The fourth proportional to 1,240,226.68, 1,711,699.86 and 757,072.84 is: 1,044,874.70
Step by Step Solution
- Step 1: Write the proportion equation
1,240,226.68 : 1,711,699.86 = 757,072.84 : x - Step 2: Convert to fraction form
1,240,226.68/1,711,699.86 = 757,072.84/x - Step 3: Cross multiply
1,240,226.68x = 1,711,699.86 × 757,072.84 - Step 4: Simplify right side
1,240,226.68x = 1,295,881,474,237.80 - Step 5: Solve for x
x = 1,295,881,474,237.80/1,240,226.68 - Step 6: Final answer
x = 1,044,874.70
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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.