Finding the Fourth Proportional to 1,178,488.68, 1,626,193.18 and 662,160.53
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Solution
The fourth proportional to 1,178,488.68, 1,626,193.18 and 662,160.53 is: 913,713.43
Step by Step Solution
- Step 1: Write the proportion equation
1,178,488.68 : 1,626,193.18 = 662,160.53 : x - Step 2: Convert to fraction form
1,178,488.68/1,626,193.18 = 662,160.53/x - Step 3: Cross multiply
1,178,488.68x = 1,626,193.18 × 662,160.53 - Step 4: Simplify right side
1,178,488.68x = 1,076,800,937,951.19 - Step 5: Solve for x
x = 1,076,800,937,951.19/1,178,488.68 - Step 6: Final answer
x = 913,713.43
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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.