Finding the Fourth Proportional to 1,252,407.33, 1,728,322.74 and 679,447.35
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Solution
The fourth proportional to 1,252,407.33, 1,728,322.74 and 679,447.35 is: 937,637.68
Step by Step Solution
- Step 1: Write the proportion equation
1,252,407.33 : 1,728,322.74 = 679,447.35 : x - Step 2: Convert to fraction form
1,252,407.33/1,728,322.74 = 679,447.35/x - Step 3: Cross multiply
1,252,407.33x = 1,728,322.74 × 679,447.35 - Step 4: Simplify right side
1,252,407.33x = 1,174,304,302,240.50 - Step 5: Solve for x
x = 1,174,304,302,240.50/1,252,407.33 - Step 6: Final answer
x = 937,637.68
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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.