Finding the Fourth Proportional to 1,087,651.51, 1,501,363.31 and 934,072.99
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Solution
The fourth proportional to 1,087,651.51, 1,501,363.31 and 934,072.99 is: 1,289,367.87
Step by Step Solution
- Step 1: Write the proportion equation
1,087,651.51 : 1,501,363.31 = 934,072.99 : x - Step 2: Convert to fraction form
1,087,651.51/1,501,363.31 = 934,072.99/x - Step 3: Cross multiply
1,087,651.51x = 1,501,363.31 × 934,072.99 - Step 4: Simplify right side
1,087,651.51x = 1,402,382,916,048.00 - Step 5: Solve for x
x = 1,402,382,916,048.00/1,087,651.51 - Step 6: Final answer
x = 1,289,367.87
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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.