Finding the Fourth Proportional to 972,643.96, 1,455,976.36 and 829,154.84
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Solution
The fourth proportional to 972,643.96, 1,455,976.36 and 829,154.84 is: 1,241,183.72
Step by Step Solution
- Step 1: Write the proportion equation
972,643.96 : 1,455,976.36 = 829,154.84 : x - Step 2: Convert to fraction form
972,643.96/1,455,976.36 = 829,154.84/x - Step 3: Cross multiply
972,643.96x = 1,455,976.36 × 829,154.84 - Step 4: Simplify right side
972,643.96x = 1,207,229,845,819.58 - Step 5: Solve for x
x = 1,207,229,845,819.58/972,643.96 - Step 6: Final answer
x = 1,241,183.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.