Finding the Fourth Proportional to 1,064,302.52, 1,469,959.28 and 775,202.08
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Solution
The fourth proportional to 1,064,302.52, 1,469,959.28 and 775,202.08 is: 1,070,668.79
Step by Step Solution
- Step 1: Write the proportion equation
1,064,302.52 : 1,469,959.28 = 775,202.08 : x - Step 2: Convert to fraction form
1,064,302.52/1,469,959.28 = 775,202.08/x - Step 3: Cross multiply
1,064,302.52x = 1,469,959.28 × 775,202.08 - Step 4: Simplify right side
1,064,302.52x = 1,139,515,491,371.30 - Step 5: Solve for x
x = 1,139,515,491,371.30/1,064,302.52 - Step 6: Final answer
x = 1,070,668.79
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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.