Finding the Fourth Proportional to 1,413,988.75, 1,951,288.07 and 769,397.84
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Solution
The fourth proportional to 1,413,988.75, 1,951,288.07 and 769,397.84 is: 1,061,760.09
Step by Step Solution
- Step 1: Write the proportion equation
1,413,988.75 : 1,951,288.07 = 769,397.84 : x - Step 2: Convert to fraction form
1,413,988.75/1,951,288.07 = 769,397.84/x - Step 3: Cross multiply
1,413,988.75x = 1,951,288.07 × 769,397.84 - Step 4: Simplify right side
1,413,988.75x = 1,501,316,826,275.77 - Step 5: Solve for x
x = 1,501,316,826,275.77/1,413,988.75 - Step 6: Final answer
x = 1,061,760.09
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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.