Finding the Fourth Proportional to 1,053,646.50, 1,453,045.21 and 699,400.68
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Solution
The fourth proportional to 1,053,646.50, 1,453,045.21 and 699,400.68 is: 964,517.80
Step by Step Solution
- Step 1: Write the proportion equation
1,053,646.50 : 1,453,045.21 = 699,400.68 : x - Step 2: Convert to fraction form
1,053,646.50/1,453,045.21 = 699,400.68/x - Step 3: Cross multiply
1,053,646.50x = 1,453,045.21 × 699,400.68 - Step 4: Simplify right side
1,053,646.50x = 1,016,260,806,196.24 - Step 5: Solve for x
x = 1,016,260,806,196.24/1,053,646.50 - Step 6: Final answer
x = 964,517.80
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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.