Finding the Fourth Proportional to 1,263,372.39, 1,743,253.11 and 719,518.68
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Solution
The fourth proportional to 1,263,372.39, 1,743,253.11 and 719,518.68 is: 992,821.43
Step by Step Solution
- Step 1: Write the proportion equation
1,263,372.39 : 1,743,253.11 = 719,518.68 : x - Step 2: Convert to fraction form
1,263,372.39/1,743,253.11 = 719,518.68/x - Step 3: Cross multiply
1,263,372.39x = 1,743,253.11 × 719,518.68 - Step 4: Simplify right side
1,263,372.39x = 1,254,303,176,613.10 - Step 5: Solve for x
x = 1,254,303,176,613.10/1,263,372.39 - Step 6: Final answer
x = 992,821.43
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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.