Finding the Fourth Proportional to 1,135,439.75, 1,566,984.27 and 658,511.75
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Solution
The fourth proportional to 1,135,439.75, 1,566,984.27 and 658,511.75 is: 908,791.11
Step by Step Solution
- Step 1: Write the proportion equation
1,135,439.75 : 1,566,984.27 = 658,511.75 : x - Step 2: Convert to fraction form
1,135,439.75/1,566,984.27 = 658,511.75/x - Step 3: Cross multiply
1,135,439.75x = 1,566,984.27 × 658,511.75 - Step 4: Simplify right side
1,135,439.75x = 1,031,877,553,860.17 - Step 5: Solve for x
x = 1,031,877,553,860.17/1,135,439.75 - Step 6: Final answer
x = 908,791.11
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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.