Finding the Fourth Proportional to 1,243,650.84, 1,865,267.58 and 345,183.86
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Solution
The fourth proportional to 1,243,650.84, 1,865,267.58 and 345,183.86 is: 517,717.87
Step by Step Solution
- Step 1: Write the proportion equation
1,243,650.84 : 1,865,267.58 = 345,183.86 : x - Step 2: Convert to fraction form
1,243,650.84/1,865,267.58 = 345,183.86/x - Step 3: Cross multiply
1,243,650.84x = 1,865,267.58 × 345,183.86 - Step 4: Simplify right side
1,243,650.84x = 643,860,263,197.26 - Step 5: Solve for x
x = 643,860,263,197.26/1,243,650.84 - Step 6: Final answer
x = 517,717.87
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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.