Finding the Fourth Proportional to 1,379,342.65, 1,903,207.58 and 806,271.97
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Solution
The fourth proportional to 1,379,342.65, 1,903,207.58 and 806,271.97 is: 1,112,488.56
Step by Step Solution
- Step 1: Write the proportion equation
1,379,342.65 : 1,903,207.58 = 806,271.97 : x - Step 2: Convert to fraction form
1,379,342.65/1,903,207.58 = 806,271.97/x - Step 3: Cross multiply
1,379,342.65x = 1,903,207.58 × 806,271.97 - Step 4: Simplify right side
1,379,342.65x = 1,534,502,916,056.15 - Step 5: Solve for x
x = 1,534,502,916,056.15/1,379,342.65 - Step 6: Final answer
x = 1,112,488.56
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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.