Finding the Fourth Proportional to 1,244,172.97, 1,717,238.74 and 814,203.98
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Solution
The fourth proportional to 1,244,172.97, 1,717,238.74 and 814,203.98 is: 1,123,784.76
Step by Step Solution
- Step 1: Write the proportion equation
1,244,172.97 : 1,717,238.74 = 814,203.98 : x - Step 2: Convert to fraction form
1,244,172.97/1,717,238.74 = 814,203.98/x - Step 3: Cross multiply
1,244,172.97x = 1,717,238.74 × 814,203.98 - Step 4: Simplify right side
1,244,172.97x = 1,398,182,616,718.19 - Step 5: Solve for x
x = 1,398,182,616,718.19/1,244,172.97 - Step 6: Final answer
x = 1,123,784.76
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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.