Finding the Fourth Proportional to 1,243,884.42, 1,716,276.49 and 699,821.70
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Solution
The fourth proportional to 1,243,884.42, 1,716,276.49 and 699,821.70 is: 965,594.16
Step by Step Solution
- Step 1: Write the proportion equation
1,243,884.42 : 1,716,276.49 = 699,821.70 : x - Step 2: Convert to fraction form
1,243,884.42/1,716,276.49 = 699,821.70/x - Step 3: Cross multiply
1,243,884.42x = 1,716,276.49 × 699,821.70 - Step 4: Simplify right side
1,243,884.42x = 1,201,087,522,320.45 - Step 5: Solve for x
x = 1,201,087,522,320.45/1,243,884.42 - Step 6: Final answer
x = 965,594.16
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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.