Finding the Fourth Proportional to 1,253,113.66, 1,729,298.73 and 680,154.09
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Solution
The fourth proportional to 1,253,113.66, 1,729,298.73 and 680,154.09 is: 938,613.66
Step by Step Solution
- Step 1: Write the proportion equation
1,253,113.66 : 1,729,298.73 = 680,154.09 : x - Step 2: Convert to fraction form
1,253,113.66/1,729,298.73 = 680,154.09/x - Step 3: Cross multiply
1,253,113.66x = 1,729,298.73 × 680,154.09 - Step 4: Simplify right side
1,253,113.66x = 1,176,189,604,041.31 - Step 5: Solve for x
x = 1,176,189,604,041.31/1,253,113.66 - Step 6: Final answer
x = 938,613.66
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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.