Finding the Fourth Proportional to 1,251,960.49, 1,727,707.62 and 679,001.12
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Solution
The fourth proportional to 1,251,960.49, 1,727,707.62 and 679,001.12 is: 937,022.71
Step by Step Solution
- Step 1: Write the proportion equation
1,251,960.49 : 1,727,707.62 = 679,001.12 : x - Step 2: Convert to fraction form
1,251,960.49/1,727,707.62 = 679,001.12/x - Step 3: Cross multiply
1,251,960.49x = 1,727,707.62 × 679,001.12 - Step 4: Simplify right side
1,251,960.49x = 1,173,115,409,012.53 - Step 5: Solve for x
x = 1,173,115,409,012.53/1,251,960.49 - Step 6: Final answer
x = 937,022.71
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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.