Finding the Fourth Proportional to 1,245,934.08, 1,868,901.12 and 713,083.68
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Solution
The fourth proportional to 1,245,934.08, 1,868,901.12 and 713,083.68 is: 1,069,625.52
Step by Step Solution
- Step 1: Write the proportion equation
1,245,934.08 : 1,868,901.12 = 713,083.68 : x - Step 2: Convert to fraction form
1,245,934.08/1,868,901.12 = 713,083.68/x - Step 3: Cross multiply
1,245,934.08x = 1,868,901.12 × 713,083.68 - Step 4: Simplify right side
1,245,934.08x = 1,332,682,888,205.72 - Step 5: Solve for x
x = 1,332,682,888,205.72/1,245,934.08 - Step 6: Final answer
x = 1,069,625.52
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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.