Finding the Fourth Proportional to 1,253,314.80, 1,877,207.40 and 753,807.60
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Solution
The fourth proportional to 1,253,314.80, 1,877,207.40 and 753,807.60 is: 1,129,048.51
Step by Step Solution
- Step 1: Write the proportion equation
1,253,314.80 : 1,877,207.40 = 753,807.60 : x - Step 2: Convert to fraction form
1,253,314.80/1,877,207.40 = 753,807.60/x - Step 3: Cross multiply
1,253,314.80x = 1,877,207.40 × 753,807.60 - Step 4: Simplify right side
1,253,314.80x = 1,415,053,204,896.24 - Step 5: Solve for x
x = 1,415,053,204,896.24/1,253,314.80 - Step 6: Final answer
x = 1,129,048.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.