Finding the Fourth Proportional to 1,117,042.84, 1,675,564.28 and 517,925.12
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Solution
The fourth proportional to 1,117,042.84, 1,675,564.28 and 517,925.12 is: 776,887.69
Step by Step Solution
- Step 1: Write the proportion equation
1,117,042.84 : 1,675,564.28 = 517,925.12 : x - Step 2: Convert to fraction form
1,117,042.84/1,675,564.28 = 517,925.12/x - Step 3: Cross multiply
1,117,042.84x = 1,675,564.28 × 517,925.12 - Step 4: Simplify right side
1,117,042.84x = 867,816,830,786.71 - Step 5: Solve for x
x = 867,816,830,786.71/1,117,042.84 - Step 6: Final answer
x = 776,887.69
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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.