Finding the Fourth Proportional to 1,152,435.14, 1,590,385.97 and 636,187.84
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Solution
The fourth proportional to 1,152,435.14, 1,590,385.97 and 636,187.84 is: 877,953.28
Step by Step Solution
- Step 1: Write the proportion equation
1,152,435.14 : 1,590,385.97 = 636,187.84 : x - Step 2: Convert to fraction form
1,152,435.14/1,590,385.97 = 636,187.84/x - Step 3: Cross multiply
1,152,435.14x = 1,590,385.97 × 636,187.84 - Step 4: Simplify right side
1,152,435.14x = 1,011,784,215,020.60 - Step 5: Solve for x
x = 1,011,784,215,020.60/1,152,435.14 - Step 6: Final answer
x = 877,953.28
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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.