Finding the Fourth Proportional to 1,056,277.99, 1,584,732.77 and 749,121.73
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Solution
The fourth proportional to 1,056,277.99, 1,584,732.77 and 749,121.73 is: 1,123,906.55
Step by Step Solution
- Step 1: Write the proportion equation
1,056,277.99 : 1,584,732.77 = 749,121.73 : x - Step 2: Convert to fraction form
1,056,277.99/1,584,732.77 = 749,121.73/x - Step 3: Cross multiply
1,056,277.99x = 1,584,732.77 × 749,121.73 - Step 4: Simplify right side
1,056,277.99x = 1,187,157,754,250.09 - Step 5: Solve for x
x = 1,187,157,754,250.09/1,056,277.99 - Step 6: Final answer
x = 1,123,906.55
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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.