Finding the Fourth Proportional to 1,246,733.75, 1,720,492.98 and 710,189.75
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Solution
The fourth proportional to 1,246,733.75, 1,720,492.98 and 710,189.75 is: 980,062.09
Step by Step Solution
- Step 1: Write the proportion equation
1,246,733.75 : 1,720,492.98 = 710,189.75 : x - Step 2: Convert to fraction form
1,246,733.75/1,720,492.98 = 710,189.75/x - Step 3: Cross multiply
1,246,733.75x = 1,720,492.98 × 710,189.75 - Step 4: Simplify right side
1,246,733.75x = 1,221,876,479,342.96 - Step 5: Solve for x
x = 1,221,876,479,342.96/1,246,733.75 - Step 6: Final answer
x = 980,062.09
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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.