Finding the Fourth Proportional to 1,176,223.84, 1,623,370.08 and 666,818.08
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Solution
The fourth proportional to 1,176,223.84, 1,623,370.08 and 666,818.08 is: 920,311.66
Step by Step Solution
- Step 1: Write the proportion equation
1,176,223.84 : 1,623,370.08 = 666,818.08 : x - Step 2: Convert to fraction form
1,176,223.84/1,623,370.08 = 666,818.08/x - Step 3: Cross multiply
1,176,223.84x = 1,623,370.08 × 666,818.08 - Step 4: Simplify right side
1,176,223.84x = 1,082,492,519,875.05 - Step 5: Solve for x
x = 1,082,492,519,875.05/1,176,223.84 - Step 6: Final answer
x = 920,311.66
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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.