Finding the Fourth Proportional to 1,071,769.19, 1,479,035.63 and 588,342.56
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Solution
The fourth proportional to 1,071,769.19, 1,479,035.63 and 588,342.56 is: 811,909.52
Step by Step Solution
- Step 1: Write the proportion equation
1,071,769.19 : 1,479,035.63 = 588,342.56 : x - Step 2: Convert to fraction form
1,071,769.19/1,479,035.63 = 588,342.56/x - Step 3: Cross multiply
1,071,769.19x = 1,479,035.63 × 588,342.56 - Step 4: Simplify right side
1,071,769.19x = 870,179,602,961.09 - Step 5: Solve for x
x = 870,179,602,961.09/1,071,769.19 - Step 6: Final answer
x = 811,909.52
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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.