Finding the Fourth Proportional to 1,177,463.05, 1,625,152.23 and 718,479.28
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Solution
The fourth proportional to 1,177,463.05, 1,625,152.23 and 718,479.28 is: 991,655.92
Step by Step Solution
- Step 1: Write the proportion equation
1,177,463.05 : 1,625,152.23 = 718,479.28 : x - Step 2: Convert to fraction form
1,177,463.05/1,625,152.23 = 718,479.28/x - Step 3: Cross multiply
1,177,463.05x = 1,625,152.23 × 718,479.28 - Step 4: Simplify right side
1,177,463.05x = 1,167,638,204,100.79 - Step 5: Solve for x
x = 1,167,638,204,100.79/1,177,463.05 - Step 6: Final answer
x = 991,655.92
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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.