Finding the Fourth Proportional to 1,253,370.36, 1,729,468.62 and 716,722.68
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Solution
The fourth proportional to 1,253,370.36, 1,729,468.62 and 716,722.68 is: 988,972.95
Step by Step Solution
- Step 1: Write the proportion equation
1,253,370.36 : 1,729,468.62 = 716,722.68 : x - Step 2: Convert to fraction form
1,253,370.36/1,729,468.62 = 716,722.68/x - Step 3: Cross multiply
1,253,370.36x = 1,729,468.62 × 716,722.68 - Step 4: Simplify right side
1,253,370.36x = 1,239,549,384,302.30 - Step 5: Solve for x
x = 1,239,549,384,302.30/1,253,370.36 - Step 6: Final answer
x = 988,972.95
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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.