Finding the Fourth Proportional to 1,154,715.42, 1,733,643.84 and 649,631.82
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Solution
The fourth proportional to 1,154,715.42, 1,733,643.84 and 649,631.82 is: 975,331.40
Step by Step Solution
- Step 1: Write the proportion equation
1,154,715.42 : 1,733,643.84 = 649,631.82 : x - Step 2: Convert to fraction form
1,154,715.42/1,733,643.84 = 649,631.82/x - Step 3: Cross multiply
1,154,715.42x = 1,733,643.84 × 649,631.82 - Step 4: Simplify right side
1,154,715.42x = 1,126,230,203,010.99 - Step 5: Solve for x
x = 1,126,230,203,010.99/1,154,715.42 - Step 6: Final answer
x = 975,331.40
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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.