Finding the Fourth Proportional to 1,313,195.02, 1,812,613.68 and 769,507.49
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Solution
The fourth proportional to 1,313,195.02, 1,812,613.68 and 769,507.49 is: 1,062,157.40
Step by Step Solution
- Step 1: Write the proportion equation
1,313,195.02 : 1,812,613.68 = 769,507.49 : x - Step 2: Convert to fraction form
1,313,195.02/1,812,613.68 = 769,507.49/x - Step 3: Cross multiply
1,313,195.02x = 1,812,613.68 × 769,507.49 - Step 4: Simplify right side
1,313,195.02x = 1,394,819,807,768.00 - Step 5: Solve for x
x = 1,394,819,807,768.00/1,313,195.02 - Step 6: Final answer
x = 1,062,157.40
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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.