Finding the Fourth Proportional to 1,369,239.92, 1,889,405.62 and 757,295.45
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Solution
The fourth proportional to 1,369,239.92, 1,889,405.62 and 757,295.45 is: 1,044,987.27
Step by Step Solution
- Step 1: Write the proportion equation
1,369,239.92 : 1,889,405.62 = 757,295.45 : x - Step 2: Convert to fraction form
1,369,239.92/1,889,405.62 = 757,295.45/x - Step 3: Cross multiply
1,369,239.92x = 1,889,405.62 × 757,295.45 - Step 4: Simplify right side
1,369,239.92x = 1,430,838,279,230.43 - Step 5: Solve for x
x = 1,430,838,279,230.43/1,369,239.92 - Step 6: Final answer
x = 1,044,987.27
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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.