Finding the Fourth Proportional to 1,260,687.40, 1,739,830.92 and 716,873.84
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Solution
The fourth proportional to 1,260,687.40, 1,739,830.92 and 716,873.84 is: 989,332.70
Step by Step Solution
- Step 1: Write the proportion equation
1,260,687.40 : 1,739,830.92 = 716,873.84 : x - Step 2: Convert to fraction form
1,260,687.40/1,739,830.92 = 716,873.84/x - Step 3: Cross multiply
1,260,687.40x = 1,739,830.92 × 716,873.84 - Step 4: Simplify right side
1,260,687.40x = 1,247,239,272,571.13 - Step 5: Solve for x
x = 1,247,239,272,571.13/1,260,687.40 - Step 6: Final answer
x = 989,332.70
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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.