Finding the Fourth Proportional to 1,557,270.20, 2,336,342.70 and 758,577.80
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Solution
The fourth proportional to 1,557,270.20, 2,336,342.70 and 758,577.80 is: 1,138,079.77
Step by Step Solution
- Step 1: Write the proportion equation
1,557,270.20 : 2,336,342.70 = 758,577.80 : x - Step 2: Convert to fraction form
1,557,270.20/2,336,342.70 = 758,577.80/x - Step 3: Cross multiply
1,557,270.20x = 2,336,342.70 × 758,577.80 - Step 4: Simplify right side
1,557,270.20x = 1,772,297,705,412.06 - Step 5: Solve for x
x = 1,772,297,705,412.06/1,557,270.20 - Step 6: Final answer
x = 1,138,079.77
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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.