Finding the Fourth Proportional to 1,100,475.68, 1,518,671.85 and 664,832.44
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Solution
The fourth proportional to 1,100,475.68, 1,518,671.85 and 664,832.44 is: 917,478.07
Step by Step Solution
- Step 1: Write the proportion equation
1,100,475.68 : 1,518,671.85 = 664,832.44 : x - Step 2: Convert to fraction form
1,100,475.68/1,518,671.85 = 664,832.44/x - Step 3: Cross multiply
1,100,475.68x = 1,518,671.85 × 664,832.44 - Step 4: Simplify right side
1,100,475.68x = 1,009,662,304,001.46 - Step 5: Solve for x
x = 1,009,662,304,001.46/1,100,475.68 - Step 6: Final answer
x = 917,478.07
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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.