Finding the Fourth Proportional to 1,051,711.52, 1,453,813.63 and 938,115.99
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Solution
The fourth proportional to 1,051,711.52, 1,453,813.63 and 938,115.99 is: 1,296,786.99
Step by Step Solution
- Step 1: Write the proportion equation
1,051,711.52 : 1,453,813.63 = 938,115.99 : x - Step 2: Convert to fraction form
1,051,711.52/1,453,813.63 = 938,115.99/x - Step 3: Cross multiply
1,051,711.52x = 1,453,813.63 × 938,115.99 - Step 4: Simplify right side
1,051,711.52x = 1,363,845,812,782.94 - Step 5: Solve for x
x = 1,363,845,812,782.94/1,051,711.52 - Step 6: Final answer
x = 1,296,786.99
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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.