Finding the Fourth Proportional to 1,259,120.96, 1,888,951.30 and 406,241.18
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Solution
The fourth proportional to 1,259,120.96, 1,888,951.30 and 406,241.18 is: 609,448.84
Step by Step Solution
- Step 1: Write the proportion equation
1,259,120.96 : 1,888,951.30 = 406,241.18 : x - Step 2: Convert to fraction form
1,259,120.96/1,888,951.30 = 406,241.18/x - Step 3: Cross multiply
1,259,120.96x = 1,888,951.30 × 406,241.18 - Step 4: Simplify right side
1,259,120.96x = 767,369,805,074.53 - Step 5: Solve for x
x = 767,369,805,074.53/1,259,120.96 - Step 6: Final answer
x = 609,448.84
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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.