Finding the Fourth Proportional to 1,283,588.38, 1,771,284.45 and 702,700.12
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Solution
The fourth proportional to 1,283,588.38, 1,771,284.45 and 702,700.12 is: 969,689.20
Step by Step Solution
- Step 1: Write the proportion equation
1,283,588.38 : 1,771,284.45 = 702,700.12 : x - Step 2: Convert to fraction form
1,283,588.38/1,771,284.45 = 702,700.12/x - Step 3: Cross multiply
1,283,588.38x = 1,771,284.45 × 702,700.12 - Step 4: Simplify right side
1,283,588.38x = 1,244,681,795,569.13 - Step 5: Solve for x
x = 1,244,681,795,569.13/1,283,588.38 - Step 6: Final answer
x = 969,689.20
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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.