Finding the Fourth Proportional to 1,198,279.17, 1,653,634.44 and 654,405.08
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Solution
The fourth proportional to 1,198,279.17, 1,653,634.44 and 654,405.08 is: 903,084.02
Step by Step Solution
- Step 1: Write the proportion equation
1,198,279.17 : 1,653,634.44 = 654,405.08 : x - Step 2: Convert to fraction form
1,198,279.17/1,653,634.44 = 654,405.08/x - Step 3: Cross multiply
1,198,279.17x = 1,653,634.44 × 654,405.08 - Step 4: Simplify right side
1,198,279.17x = 1,082,146,769,730.78 - Step 5: Solve for x
x = 1,082,146,769,730.78/1,198,279.17 - Step 6: Final answer
x = 903,084.02
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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.