Finding the Fourth Proportional to 1,193,141.43, 1,646,569.79 and 649,312.29
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Solution
The fourth proportional to 1,193,141.43, 1,646,569.79 and 649,312.29 is: 896,069.80
Step by Step Solution
- Step 1: Write the proportion equation
1,193,141.43 : 1,646,569.79 = 649,312.29 : x - Step 2: Convert to fraction form
1,193,141.43/1,646,569.79 = 649,312.29/x - Step 3: Cross multiply
1,193,141.43x = 1,646,569.79 × 649,312.29 - Step 4: Simplify right side
1,193,141.43x = 1,069,137,997,743.16 - Step 5: Solve for x
x = 1,069,137,997,743.16/1,193,141.43 - Step 6: Final answer
x = 896,069.80
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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.