Finding the Fourth Proportional to 1,142,082.08, 1,715,595.12 and 742,517.36
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Solution
The fourth proportional to 1,142,082.08, 1,715,595.12 and 742,517.36 is: 1,115,383.19
Step by Step Solution
- Step 1: Write the proportion equation
1,142,082.08 : 1,715,595.12 = 742,517.36 : x - Step 2: Convert to fraction form
1,142,082.08/1,715,595.12 = 742,517.36/x - Step 3: Cross multiply
1,142,082.08x = 1,715,595.12 × 742,517.36 - Step 4: Simplify right side
1,142,082.08x = 1,273,859,159,331.28 - Step 5: Solve for x
x = 1,273,859,159,331.28/1,142,082.08 - Step 6: Final answer
x = 1,115,383.19
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.