Finding the Fourth Proportional to 1,231,975.68, 1,700,116.49 and 680,689.68
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Solution
The fourth proportional to 1,231,975.68, 1,700,116.49 and 680,689.68 is: 939,346.26
Step by Step Solution
- Step 1: Write the proportion equation
1,231,975.68 : 1,700,116.49 = 680,689.68 : x - Step 2: Convert to fraction form
1,231,975.68/1,700,116.49 = 680,689.68/x - Step 3: Cross multiply
1,231,975.68x = 1,700,116.49 × 680,689.68 - Step 4: Simplify right side
1,231,975.68x = 1,157,251,744,867.11 - Step 5: Solve for x
x = 1,157,251,744,867.11/1,231,975.68 - Step 6: Final answer
x = 939,346.26
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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.