Finding the Fourth Proportional to 1,250,965.68, 1,726,331.58 and 678,005.70
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Solution
The fourth proportional to 1,250,965.68, 1,726,331.58 and 678,005.70 is: 935,647.29
Step by Step Solution
- Step 1: Write the proportion equation
1,250,965.68 : 1,726,331.58 = 678,005.70 : x - Step 2: Convert to fraction form
1,250,965.68/1,726,331.58 = 678,005.70/x - Step 3: Cross multiply
1,250,965.68x = 1,726,331.58 × 678,005.70 - Step 4: Simplify right side
1,250,965.68x = 1,170,462,651,330.01 - Step 5: Solve for x
x = 1,170,462,651,330.01/1,250,965.68 - Step 6: Final answer
x = 935,647.29
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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.