Finding the Fourth Proportional to 1,412,234.64, 1,948,906.44 and 767,656.08
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Solution
The fourth proportional to 1,412,234.64, 1,948,906.44 and 767,656.08 is: 1,059,377.70
Step by Step Solution
- Step 1: Write the proportion equation
1,412,234.64 : 1,948,906.44 = 767,656.08 : x - Step 2: Convert to fraction form
1,412,234.64/1,948,906.44 = 767,656.08/x - Step 3: Cross multiply
1,412,234.64x = 1,948,906.44 × 767,656.08 - Step 4: Simplify right side
1,412,234.64x = 1,496,089,878,017.16 - Step 5: Solve for x
x = 1,496,089,878,017.16/1,412,234.64 - Step 6: Final answer
x = 1,059,377.70
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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.