Finding the Fourth Proportional to 1,158,349.26, 1,596,750.11 and 813,216.97
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Solution
The fourth proportional to 1,158,349.26, 1,596,750.11 and 813,216.97 is: 1,120,995.48
Step by Step Solution
- Step 1: Write the proportion equation
1,158,349.26 : 1,596,750.11 = 813,216.97 : x - Step 2: Convert to fraction form
1,158,349.26/1,596,750.11 = 813,216.97/x - Step 3: Cross multiply
1,158,349.26x = 1,596,750.11 × 813,216.97 - Step 4: Simplify right side
1,158,349.26x = 1,298,504,282,873.41 - Step 5: Solve for x
x = 1,298,504,282,873.41/1,158,349.26 - Step 6: Final answer
x = 1,120,995.48
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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.