Finding the Fourth Proportional to 1,159,130.57, 1,737,468.71 and 389,895.99
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Solution
The fourth proportional to 1,159,130.57, 1,737,468.71 and 389,895.99 is: 584,431.21
Step by Step Solution
- Step 1: Write the proportion equation
1,159,130.57 : 1,737,468.71 = 389,895.99 : x - Step 2: Convert to fraction form
1,159,130.57/1,737,468.71 = 389,895.99/x - Step 3: Cross multiply
1,159,130.57x = 1,737,468.71 × 389,895.99 - Step 4: Simplify right side
1,159,130.57x = 677,432,080,829.99 - Step 5: Solve for x
x = 677,432,080,829.99/1,159,130.57 - Step 6: Final answer
x = 584,431.21
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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.