Finding the Fourth Proportional to 1,043,763.84, 1,566,267.84 and 378,967.68
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Solution
The fourth proportional to 1,043,763.84, 1,566,267.84 and 378,967.68 is: 568,677.38
Step by Step Solution
- Step 1: Write the proportion equation
1,043,763.84 : 1,566,267.84 = 378,967.68 : x - Step 2: Convert to fraction form
1,043,763.84/1,566,267.84 = 378,967.68/x - Step 3: Cross multiply
1,043,763.84x = 1,566,267.84 × 378,967.68 - Step 4: Simplify right side
1,043,763.84x = 593,564,889,583.41 - Step 5: Solve for x
x = 593,564,889,583.41/1,043,763.84 - Step 6: Final answer
x = 568,677.38
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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.