Finding the Fourth Proportional to 1,287,032.14, 1,930,935.66 and 1,160,076.70
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Solution
The fourth proportional to 1,287,032.14, 1,930,935.66 and 1,160,076.70 is: 1,740,464.28
Step by Step Solution
- Step 1: Write the proportion equation
1,287,032.14 : 1,930,935.66 = 1,160,076.70 : x - Step 2: Convert to fraction form
1,287,032.14/1,930,935.66 = 1,160,076.70/x - Step 3: Cross multiply
1,287,032.14x = 1,930,935.66 × 1,160,076.70 - Step 4: Simplify right side
1,287,032.14x = 2,240,033,468,365.12 - Step 5: Solve for x
x = 2,240,033,468,365.12/1,287,032.14 - Step 6: Final answer
x = 1,740,464.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.