Finding the Fourth Proportional to 1,109,885.62, 1,664,829.24 and 268,438.18
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Solution
The fourth proportional to 1,109,885.62, 1,664,829.24 and 268,438.18 is: 402,657.47
Step by Step Solution
- Step 1: Write the proportion equation
1,109,885.62 : 1,664,829.24 = 268,438.18 : x - Step 2: Convert to fraction form
1,109,885.62/1,664,829.24 = 268,438.18/x - Step 3: Cross multiply
1,109,885.62x = 1,664,829.24 × 268,438.18 - Step 4: Simplify right side
1,109,885.62x = 446,903,731,196.38 - Step 5: Solve for x
x = 446,903,731,196.38/1,109,885.62 - Step 6: Final answer
x = 402,657.47
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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.