Finding the Fourth Proportional to 1,144,935.81, 1,725,633.37 and 986,918.99
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Solution
The fourth proportional to 1,144,935.81, 1,725,633.37 and 986,918.99 is: 1,487,472.32
Step by Step Solution
- Step 1: Write the proportion equation
1,144,935.81 : 1,725,633.37 = 986,918.99 : x - Step 2: Convert to fraction form
1,144,935.81/1,725,633.37 = 986,918.99/x - Step 3: Cross multiply
1,144,935.81x = 1,725,633.37 × 986,918.99 - Step 4: Simplify right side
1,144,935.81x = 1,703,060,329,684.76 - Step 5: Solve for x
x = 1,703,060,329,684.76/1,144,935.81 - Step 6: Final answer
x = 1,487,472.32
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.