Finding the Fourth Proportional to 1,436,459.39, 1,982,319.97 and 791,865.44
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Solution
The fourth proportional to 1,436,459.39, 1,982,319.97 and 791,865.44 is: 1,092,777.62
Step by Step Solution
- Step 1: Write the proportion equation
1,436,459.39 : 1,982,319.97 = 791,865.44 : x - Step 2: Convert to fraction form
1,436,459.39/1,982,319.97 = 791,865.44/x - Step 3: Cross multiply
1,436,459.39x = 1,982,319.97 × 791,865.44 - Step 4: Simplify right side
1,436,459.39x = 1,569,730,678,240.97 - Step 5: Solve for x
x = 1,569,730,678,240.97/1,436,459.39 - Step 6: Final answer
x = 1,092,777.62
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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.