Finding the Fourth Proportional to 1,296,058.20, 1,944,087.30 and 1,201,579.80
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Solution
The fourth proportional to 1,296,058.20, 1,944,087.30 and 1,201,579.80 is: 1,802,369.70
Step by Step Solution
- Step 1: Write the proportion equation
1,296,058.20 : 1,944,087.30 = 1,201,579.80 : x - Step 2: Convert to fraction form
1,296,058.20/1,944,087.30 = 1,201,579.80/x - Step 3: Cross multiply
1,296,058.20x = 1,944,087.30 × 1,201,579.80 - Step 4: Simplify right side
1,296,058.20x = 2,335,976,029,116.54 - Step 5: Solve for x
x = 2,335,976,029,116.54/1,296,058.20 - Step 6: Final answer
x = 1,802,369.70
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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.