Finding the Fourth Proportional to 1,256,715.54, 1,884,789.41 and 358,137.99
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Solution
The fourth proportional to 1,256,715.54, 1,884,789.41 and 358,137.99 is: 537,126.08
Step by Step Solution
- Step 1: Write the proportion equation
1,256,715.54 : 1,884,789.41 = 358,137.99 : x - Step 2: Convert to fraction form
1,256,715.54/1,884,789.41 = 358,137.99/x - Step 3: Cross multiply
1,256,715.54x = 1,884,789.41 × 358,137.99 - Step 4: Simplify right side
1,256,715.54x = 675,014,689,080.00 - Step 5: Solve for x
x = 675,014,689,080.00/1,256,715.54 - Step 6: Final answer
x = 537,126.08
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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.