Finding the Fourth Proportional to 927,864.18, 1,280,444.76 and 851,690.97
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Solution
The fourth proportional to 927,864.18, 1,280,444.76 and 851,690.97 is: 1,175,326.37
Step by Step Solution
- Step 1: Write the proportion equation
927,864.18 : 1,280,444.76 = 851,690.97 : x - Step 2: Convert to fraction form
927,864.18/1,280,444.76 = 851,690.97/x - Step 3: Cross multiply
927,864.18x = 1,280,444.76 × 851,690.97 - Step 4: Simplify right side
927,864.18x = 1,090,543,239,675.82 - Step 5: Solve for x
x = 1,090,543,239,675.82/927,864.18 - Step 6: Final answer
x = 1,175,326.37
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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.