Finding the Fourth Proportional to 1,348,696.96, 1,861,239.36 and 745,123.84
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Solution
The fourth proportional to 1,348,696.96, 1,861,239.36 and 745,123.84 is: 1,028,291.65
Step by Step Solution
- Step 1: Write the proportion equation
1,348,696.96 : 1,861,239.36 = 745,123.84 : x - Step 2: Convert to fraction form
1,348,696.96/1,861,239.36 = 745,123.84/x - Step 3: Cross multiply
1,348,696.96x = 1,861,239.36 × 745,123.84 - Step 4: Simplify right side
1,348,696.96x = 1,386,853,819,082.34 - Step 5: Solve for x
x = 1,386,853,819,082.34/1,348,696.96 - Step 6: Final answer
x = 1,028,291.65
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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.