Finding the Fourth Proportional to 1,235,209.64, 1,703,235.68 and 804,691.40
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Solution
The fourth proportional to 1,235,209.64, 1,703,235.68 and 804,691.40 is: 1,109,592.29
Step by Step Solution
- Step 1: Write the proportion equation
1,235,209.64 : 1,703,235.68 = 804,691.40 : x - Step 2: Convert to fraction form
1,235,209.64/1,703,235.68 = 804,691.40/x - Step 3: Cross multiply
1,235,209.64x = 1,703,235.68 × 804,691.40 - Step 4: Simplify right side
1,235,209.64x = 1,370,579,091,329.52 - Step 5: Solve for x
x = 1,370,579,091,329.52/1,235,209.64 - Step 6: Final answer
x = 1,109,592.29
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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.