Finding the Fourth Proportional to 1,120,611.24, 1,672,176.62 and 999,837.95
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Solution
The fourth proportional to 1,120,611.24, 1,672,176.62 and 999,837.95 is: 1,491,958.65
Step by Step Solution
- Step 1: Write the proportion equation
1,120,611.24 : 1,672,176.62 = 999,837.95 : x - Step 2: Convert to fraction form
1,120,611.24/1,672,176.62 = 999,837.95/x - Step 3: Cross multiply
1,120,611.24x = 1,672,176.62 × 999,837.95 - Step 4: Simplify right side
1,120,611.24x = 1,671,905,637,917.44 - Step 5: Solve for x
x = 1,671,905,637,917.44/1,120,611.24 - Step 6: Final answer
x = 1,491,958.65
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.