Finding the Fourth Proportional to 1,259,241.84, 1,888,233.12 and 747,429.84
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Solution
The fourth proportional to 1,259,241.84, 1,888,233.12 and 747,429.84 is: 1,120,771.03
Step by Step Solution
- Step 1: Write the proportion equation
1,259,241.84 : 1,888,233.12 = 747,429.84 : x - Step 2: Convert to fraction form
1,259,241.84/1,888,233.12 = 747,429.84/x - Step 3: Cross multiply
1,259,241.84x = 1,888,233.12 × 747,429.84 - Step 4: Simplify right side
1,259,241.84x = 1,411,321,778,764.30 - Step 5: Solve for x
x = 1,411,321,778,764.30/1,259,241.84 - Step 6: Final answer
x = 1,120,771.03
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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.