Finding the Fourth Proportional to 1,114,054.26, 1,537,399.49 and 630,712.68
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Solution
The fourth proportional to 1,114,054.26, 1,537,399.49 and 630,712.68 is: 870,386.11
Step by Step Solution
- Step 1: Write the proportion equation
1,114,054.26 : 1,537,399.49 = 630,712.68 : x - Step 2: Convert to fraction form
1,114,054.26/1,537,399.49 = 630,712.68/x - Step 3: Cross multiply
1,114,054.26x = 1,537,399.49 × 630,712.68 - Step 4: Simplify right side
1,114,054.26x = 969,657,347,197.48 - Step 5: Solve for x
x = 969,657,347,197.48/1,114,054.26 - Step 6: Final answer
x = 870,386.11
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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.