Finding the Fourth Proportional to 1,228,108.85, 1,840,126.74 and 746,881.07
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Solution
The fourth proportional to 1,228,108.85, 1,840,126.74 and 746,881.07 is: 1,119,083.07
Step by Step Solution
- Step 1: Write the proportion equation
1,228,108.85 : 1,840,126.74 = 746,881.07 : x - Step 2: Convert to fraction form
1,228,108.85/1,840,126.74 = 746,881.07/x - Step 3: Cross multiply
1,228,108.85x = 1,840,126.74 × 746,881.07 - Step 4: Simplify right side
1,228,108.85x = 1,374,355,823,405.85 - Step 5: Solve for x
x = 1,374,355,823,405.85/1,228,108.85 - Step 6: Final answer
x = 1,119,083.07
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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.