Finding the Fourth Proportional to 1,283,287.74, 1,771,126.92 and 739,320.06
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Solution
The fourth proportional to 1,283,287.74, 1,771,126.92 and 739,320.06 is: 1,020,371.05
Step by Step Solution
- Step 1: Write the proportion equation
1,283,287.74 : 1,771,126.92 = 739,320.06 : x - Step 2: Convert to fraction form
1,283,287.74/1,771,126.92 = 739,320.06/x - Step 3: Cross multiply
1,283,287.74x = 1,771,126.92 × 739,320.06 - Step 4: Simplify right side
1,283,287.74x = 1,309,429,660,762.02 - Step 5: Solve for x
x = 1,309,429,660,762.02/1,283,287.74 - Step 6: Final answer
x = 1,020,371.05
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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.