Finding the Fourth Proportional to 1,299,319.04, 1,793,071.62 and 718,511.96
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Solution
The fourth proportional to 1,299,319.04, 1,793,071.62 and 718,511.96 is: 991,552.78
Step by Step Solution
- Step 1: Write the proportion equation
1,299,319.04 : 1,793,071.62 = 718,511.96 : x - Step 2: Convert to fraction form
1,299,319.04/1,793,071.62 = 718,511.96/x - Step 3: Cross multiply
1,299,319.04x = 1,793,071.62 × 718,511.96 - Step 4: Simplify right side
1,299,319.04x = 1,288,343,395,141.22 - Step 5: Solve for x
x = 1,288,343,395,141.22/1,299,319.04 - Step 6: Final answer
x = 991,552.78
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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.