Finding the Fourth Proportional to 1,557,799.05, 2,336,698.58 and 717,991.05
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Solution
The fourth proportional to 1,557,799.05, 2,336,698.58 and 717,991.05 is: 1,076,986.58
Step by Step Solution
- Step 1: Write the proportion equation
1,557,799.05 : 2,336,698.58 = 717,991.05 : x - Step 2: Convert to fraction form
1,557,799.05/2,336,698.58 = 717,991.05/x - Step 3: Cross multiply
1,557,799.05x = 2,336,698.58 × 717,991.05 - Step 4: Simplify right side
1,557,799.05x = 1,677,728,663,397.75 - Step 5: Solve for x
x = 1,677,728,663,397.75/1,557,799.05 - Step 6: Final answer
x = 1,076,986.58
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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.