Finding the Fourth Proportional to 1,120,603.92, 1,546,506.56 and 637,214.08
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Solution
The fourth proportional to 1,120,603.92, 1,546,506.56 and 637,214.08 is: 879,397.03
Step by Step Solution
- Step 1: Write the proportion equation
1,120,603.92 : 1,546,506.56 = 637,214.08 : x - Step 2: Convert to fraction form
1,120,603.92/1,546,506.56 = 637,214.08/x - Step 3: Cross multiply
1,120,603.92x = 1,546,506.56 × 637,214.08 - Step 4: Simplify right side
1,120,603.92x = 985,455,754,844.37 - Step 5: Solve for x
x = 985,455,754,844.37/1,120,603.92 - Step 6: Final answer
x = 879,397.03
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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.