Finding the Fourth Proportional to 1,192,355.84, 1,645,879.10 and 708,919.82
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Solution
The fourth proportional to 1,192,355.84, 1,645,879.10 and 708,919.82 is: 978,563.84
Step by Step Solution
- Step 1: Write the proportion equation
1,192,355.84 : 1,645,879.10 = 708,919.82 : x - Step 2: Convert to fraction form
1,192,355.84/1,645,879.10 = 708,919.82/x - Step 3: Cross multiply
1,192,355.84x = 1,645,879.10 × 708,919.82 - Step 4: Simplify right side
1,192,355.84x = 1,166,796,315,313.76 - Step 5: Solve for x
x = 1,166,796,315,313.76/1,192,355.84 - Step 6: Final answer
x = 978,563.84
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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.