Finding the Fourth Proportional to 1,156,736.61, 1,596,296.07 and 647,438.99
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Solution
The fourth proportional to 1,156,736.61, 1,596,296.07 and 647,438.99 is: 893,465.55
Step by Step Solution
- Step 1: Write the proportion equation
1,156,736.61 : 1,596,296.07 = 647,438.99 : x - Step 2: Convert to fraction form
1,156,736.61/1,596,296.07 = 647,438.99/x - Step 3: Cross multiply
1,156,736.61x = 1,596,296.07 × 647,438.99 - Step 4: Simplify right side
1,156,736.61x = 1,033,504,307,320.29 - Step 5: Solve for x
x = 1,033,504,307,320.29/1,156,736.61 - Step 6: Final answer
x = 893,465.55
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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.