Finding the Fourth Proportional to 1,212,854.50, 1,818,503.97 and 503,372.26
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Solution
The fourth proportional to 1,212,854.50, 1,818,503.97 and 503,372.26 is: 754,735.59
Step by Step Solution
- Step 1: Write the proportion equation
1,212,854.50 : 1,818,503.97 = 503,372.26 : x - Step 2: Convert to fraction form
1,212,854.50/1,818,503.97 = 503,372.26/x - Step 3: Cross multiply
1,212,854.50x = 1,818,503.97 × 503,372.26 - Step 4: Simplify right side
1,212,854.50x = 915,384,453,197.87 - Step 5: Solve for x
x = 915,384,453,197.87/1,212,854.50 - Step 6: Final answer
x = 754,735.59
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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.