Finding the Fourth Proportional to 1,340,239.38, 1,849,544.63 and 728,392.17
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Solution
The fourth proportional to 1,340,239.38, 1,849,544.63 and 728,392.17 is: 1,005,188.96
Step by Step Solution
- Step 1: Write the proportion equation
1,340,239.38 : 1,849,544.63 = 728,392.17 : x - Step 2: Convert to fraction form
1,340,239.38/1,849,544.63 = 728,392.17/x - Step 3: Cross multiply
1,340,239.38x = 1,849,544.63 × 728,392.17 - Step 4: Simplify right side
1,340,239.38x = 1,347,193,822,915.59 - Step 5: Solve for x
x = 1,347,193,822,915.59/1,340,239.38 - Step 6: Final answer
x = 1,005,188.96
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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.