Finding the Fourth Proportional to 1,358,236.12, 1,873,957.11 and 814,173.40
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Solution
The fourth proportional to 1,358,236.12, 1,873,957.11 and 814,173.40 is: 1,123,314.28
Step by Step Solution
- Step 1: Write the proportion equation
1,358,236.12 : 1,873,957.11 = 814,173.40 : x - Step 2: Convert to fraction form
1,358,236.12/1,873,957.11 = 814,173.40/x - Step 3: Cross multiply
1,358,236.12x = 1,873,957.11 × 814,173.40 - Step 4: Simplify right side
1,358,236.12x = 1,525,726,029,156.42 - Step 5: Solve for x
x = 1,525,726,029,156.42/1,358,236.12 - Step 6: Final answer
x = 1,123,314.28
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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.