Finding the Fourth Proportional to 959,460.14, 1,440,905.57 and 920,887.47
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Solution
The fourth proportional to 959,460.14, 1,440,905.57 and 920,887.47 is: 1,382,977.60
Step by Step Solution
- Step 1: Write the proportion equation
959,460.14 : 1,440,905.57 = 920,887.47 : x - Step 2: Convert to fraction form
959,460.14/1,440,905.57 = 920,887.47/x - Step 3: Cross multiply
959,460.14x = 1,440,905.57 × 920,887.47 - Step 4: Simplify right side
959,460.14x = 1,326,911,884,866.21 - Step 5: Solve for x
x = 1,326,911,884,866.21/959,460.14 - Step 6: Final answer
x = 1,382,977.60
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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.