Finding the Fourth Proportional to 1,361,604.58, 1,878,939.94 and 749,641.14
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Solution
The fourth proportional to 1,361,604.58, 1,878,939.94 and 749,641.14 is: 1,034,463.82
Step by Step Solution
- Step 1: Write the proportion equation
1,361,604.58 : 1,878,939.94 = 749,641.14 : x - Step 2: Convert to fraction form
1,361,604.58/1,878,939.94 = 749,641.14/x - Step 3: Cross multiply
1,361,604.58x = 1,878,939.94 × 749,641.14 - Step 4: Simplify right side
1,361,604.58x = 1,408,530,678,613.13 - Step 5: Solve for x
x = 1,408,530,678,613.13/1,361,604.58 - Step 6: Final answer
x = 1,034,463.82
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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.