Finding the Fourth Proportional to 1,270,536.71, 1,752,840.63 and 726,380.18
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Solution
The fourth proportional to 1,270,536.71, 1,752,840.63 and 726,380.18 is: 1,002,118.78
Step by Step Solution
- Step 1: Write the proportion equation
1,270,536.71 : 1,752,840.63 = 726,380.18 : x - Step 2: Convert to fraction form
1,270,536.71/1,752,840.63 = 726,380.18/x - Step 3: Cross multiply
1,270,536.71x = 1,752,840.63 × 726,380.18 - Step 4: Simplify right side
1,270,536.71x = 1,273,228,692,330.71 - Step 5: Solve for x
x = 1,273,228,692,330.71/1,270,536.71 - Step 6: Final answer
x = 1,002,118.78
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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.