Finding the Fourth Proportional to 1,251,927.26, 1,727,501.18 and 742,530.14
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Solution
The fourth proportional to 1,251,927.26, 1,727,501.18 and 742,530.14 is: 1,024,597.62
Step by Step Solution
- Step 1: Write the proportion equation
1,251,927.26 : 1,727,501.18 = 742,530.14 : x - Step 2: Convert to fraction form
1,251,927.26/1,727,501.18 = 742,530.14/x - Step 3: Cross multiply
1,251,927.26x = 1,727,501.18 × 742,530.14 - Step 4: Simplify right side
1,251,927.26x = 1,282,721,693,035.57 - Step 5: Solve for x
x = 1,282,721,693,035.57/1,251,927.26 - Step 6: Final answer
x = 1,024,597.62
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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.