Finding the Fourth Proportional to 1,197,446.25, 1,652,475.84 and 816,139.17
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Solution
The fourth proportional to 1,197,446.25, 1,652,475.84 and 816,139.17 is: 1,126,272.06
Step by Step Solution
- Step 1: Write the proportion equation
1,197,446.25 : 1,652,475.84 = 816,139.17 : x - Step 2: Convert to fraction form
1,197,446.25/1,652,475.84 = 816,139.17/x - Step 3: Cross multiply
1,197,446.25x = 1,652,475.84 × 816,139.17 - Step 4: Simplify right side
1,197,446.25x = 1,348,650,260,502.65 - Step 5: Solve for x
x = 1,348,650,260,502.65/1,197,446.25 - Step 6: Final answer
x = 1,126,272.06
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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.