Finding the Fourth Proportional to 1,169,515.37, 1,613,944.68 and 686,088.74
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Solution
The fourth proportional to 1,169,515.37, 1,613,944.68 and 686,088.74 is: 946,810.36
Step by Step Solution
- Step 1: Write the proportion equation
1,169,515.37 : 1,613,944.68 = 686,088.74 : x - Step 2: Convert to fraction form
1,169,515.37/1,613,944.68 = 686,088.74/x - Step 3: Cross multiply
1,169,515.37x = 1,613,944.68 × 686,088.74 - Step 4: Simplify right side
1,169,515.37x = 1,107,309,273,392.93 - Step 5: Solve for x
x = 1,107,309,273,392.93/1,169,515.37 - Step 6: Final answer
x = 946,810.36
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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.