Finding the Fourth Proportional to 1,283,425.66, 1,771,127.94 and 702,686.44
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Solution
The fourth proportional to 1,283,425.66, 1,771,127.94 and 702,686.44 is: 969,707.58
Step by Step Solution
- Step 1: Write the proportion equation
1,283,425.66 : 1,771,127.94 = 702,686.44 : x - Step 2: Convert to fraction form
1,283,425.66/1,771,127.94 = 702,686.44/x - Step 3: Cross multiply
1,283,425.66x = 1,771,127.94 × 702,686.44 - Step 4: Simplify right side
1,283,425.66x = 1,244,547,586,943.13 - Step 5: Solve for x
x = 1,244,547,586,943.13/1,283,425.66 - Step 6: Final answer
x = 969,707.58
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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.