Finding the Fourth Proportional to 1,142,581.84, 1,713,878.84 and 343,857.92
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Solution
The fourth proportional to 1,142,581.84, 1,713,878.84 and 343,857.92 is: 515,788.71
Step by Step Solution
- Step 1: Write the proportion equation
1,142,581.84 : 1,713,878.84 = 343,857.92 : x - Step 2: Convert to fraction form
1,142,581.84/1,713,878.84 = 343,857.92/x - Step 3: Cross multiply
1,142,581.84x = 1,713,878.84 × 343,857.92 - Step 4: Simplify right side
1,142,581.84x = 589,330,813,054.41 - Step 5: Solve for x
x = 589,330,813,054.41/1,142,581.84 - Step 6: Final answer
x = 515,788.71
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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.