Finding the Fourth Proportional to 1,283,722.68, 1,771,564.92 and 702,970.32
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Solution
The fourth proportional to 1,283,722.68, 1,771,564.92 and 702,970.32 is: 970,114.17
Step by Step Solution
- Step 1: Write the proportion equation
1,283,722.68 : 1,771,564.92 = 702,970.32 : x - Step 2: Convert to fraction form
1,283,722.68/1,771,564.92 = 702,970.32/x - Step 3: Cross multiply
1,283,722.68x = 1,771,564.92 × 702,970.32 - Step 4: Simplify right side
1,283,722.68x = 1,245,357,558,713.17 - Step 5: Solve for x
x = 1,245,357,558,713.17/1,283,722.68 - Step 6: Final answer
x = 970,114.17
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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.