Finding the Fourth Proportional to 1,252,320.82, 1,728,207.06 and 679,365.08
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Solution
The fourth proportional to 1,252,320.82, 1,728,207.06 and 679,365.08 is: 937,526.16
Step by Step Solution
- Step 1: Write the proportion equation
1,252,320.82 : 1,728,207.06 = 679,365.08 : x - Step 2: Convert to fraction form
1,252,320.82/1,728,207.06 = 679,365.08/x - Step 3: Cross multiply
1,252,320.82x = 1,728,207.06 × 679,365.08 - Step 4: Simplify right side
1,252,320.82x = 1,174,083,527,573.46 - Step 5: Solve for x
x = 1,174,083,527,573.46/1,252,320.82 - Step 6: Final answer
x = 937,526.16
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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.