Finding the Fourth Proportional to 1,178,818.74, 1,768,914.21 and 495,656.12
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Solution
The fourth proportional to 1,178,818.74, 1,768,914.21 and 495,656.12 is: 743,772.66
Step by Step Solution
- Step 1: Write the proportion equation
1,178,818.74 : 1,768,914.21 = 495,656.12 : x - Step 2: Convert to fraction form
1,178,818.74/1,768,914.21 = 495,656.12/x - Step 3: Cross multiply
1,178,818.74x = 1,768,914.21 × 495,656.12 - Step 4: Simplify right side
1,178,818.74x = 876,773,149,425.04 - Step 5: Solve for x
x = 876,773,149,425.04/1,178,818.74 - Step 6: Final answer
x = 743,772.66
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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.