Finding the Fourth Proportional to 1,125,144.50, 1,552,713.99 and 615,835.94
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Solution
The fourth proportional to 1,125,144.50, 1,552,713.99 and 615,835.94 is: 849,861.58
Step by Step Solution
- Step 1: Write the proportion equation
1,125,144.50 : 1,552,713.99 = 615,835.94 : x - Step 2: Convert to fraction form
1,125,144.50/1,552,713.99 = 615,835.94/x - Step 3: Cross multiply
1,125,144.50x = 1,552,713.99 × 615,835.94 - Step 4: Simplify right side
1,125,144.50x = 956,217,079,582.80 - Step 5: Solve for x
x = 956,217,079,582.80/1,125,144.50 - Step 6: Final answer
x = 849,861.58
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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.