Finding the Fourth Proportional to 1,232,415.62, 1,700,441.97 and 715,862.63
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Solution
The fourth proportional to 1,232,415.62, 1,700,441.97 and 715,862.63 is: 987,721.06
Step by Step Solution
- Step 1: Write the proportion equation
1,232,415.62 : 1,700,441.97 = 715,862.63 : x - Step 2: Convert to fraction form
1,232,415.62/1,700,441.97 = 715,862.63/x - Step 3: Cross multiply
1,232,415.62x = 1,700,441.97 × 715,862.63 - Step 4: Simplify right side
1,232,415.62x = 1,217,282,852,304.37 - Step 5: Solve for x
x = 1,217,282,852,304.37/1,232,415.62 - Step 6: Final answer
x = 987,721.06
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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.