Finding the Fourth Proportional to 1,114,029.25, 1,537,396.91 and 630,584.09
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Solution
The fourth proportional to 1,114,029.25, 1,537,396.91 and 630,584.09 is: 870,226.73
Step by Step Solution
- Step 1: Write the proportion equation
1,114,029.25 : 1,537,396.91 = 630,584.09 : x - Step 2: Convert to fraction form
1,114,029.25/1,537,396.91 = 630,584.09/x - Step 3: Cross multiply
1,114,029.25x = 1,537,396.91 × 630,584.09 - Step 4: Simplify right side
1,114,029.25x = 969,458,028,751.19 - Step 5: Solve for x
x = 969,458,028,751.19/1,114,029.25 - Step 6: Final answer
x = 870,226.73
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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.