Finding the Fourth Proportional to 1,242,243.86, 1,714,286.21 and 698,382.06
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Solution
The fourth proportional to 1,242,243.86, 1,714,286.21 and 698,382.06 is: 963,761.44
Step by Step Solution
- Step 1: Write the proportion equation
1,242,243.86 : 1,714,286.21 = 698,382.06 : x - Step 2: Convert to fraction form
1,242,243.86/1,714,286.21 = 698,382.06/x - Step 3: Cross multiply
1,242,243.86x = 1,714,286.21 × 698,382.06 - Step 4: Simplify right side
1,242,243.86x = 1,197,226,731,277.48 - Step 5: Solve for x
x = 1,197,226,731,277.48/1,242,243.86 - Step 6: Final answer
x = 963,761.44
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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.