Finding the Fourth Proportional to 1,245,940.08, 1,868,910.12 and 713,089.68
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Solution
The fourth proportional to 1,245,940.08, 1,868,910.12 and 713,089.68 is: 1,069,634.52
Step by Step Solution
- Step 1: Write the proportion equation
1,245,940.08 : 1,868,910.12 = 713,089.68 : x - Step 2: Convert to fraction form
1,245,940.08/1,868,910.12 = 713,089.68/x - Step 3: Cross multiply
1,245,940.08x = 1,868,910.12 × 713,089.68 - Step 4: Simplify right side
1,245,940.08x = 1,332,700,519,419.56 - Step 5: Solve for x
x = 1,332,700,519,419.56/1,245,940.08 - Step 6: Final answer
x = 1,069,634.52
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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.