Finding the Fourth Proportional to 1,198,997.84, 1,653,893.16 and 790,954.76
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Solution
The fourth proportional to 1,198,997.84, 1,653,893.16 and 790,954.76 is: 1,091,040.05
Step by Step Solution
- Step 1: Write the proportion equation
1,198,997.84 : 1,653,893.16 = 790,954.76 : x - Step 2: Convert to fraction form
1,198,997.84/1,653,893.16 = 790,954.76/x - Step 3: Cross multiply
1,198,997.84x = 1,653,893.16 × 790,954.76 - Step 4: Simplify right side
1,198,997.84x = 1,308,154,667,433.44 - Step 5: Solve for x
x = 1,308,154,667,433.44/1,198,997.84 - Step 6: Final answer
x = 1,091,040.05
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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.