Finding the Fourth Proportional to 1,183,985.10, 1,774,519.65 and 804,905.10
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Solution
The fourth proportional to 1,183,985.10, 1,774,519.65 and 804,905.10 is: 1,206,366.46
Step by Step Solution
- Step 1: Write the proportion equation
1,183,985.10 : 1,774,519.65 = 804,905.10 : x - Step 2: Convert to fraction form
1,183,985.10/1,774,519.65 = 804,905.10/x - Step 3: Cross multiply
1,183,985.10x = 1,774,519.65 × 804,905.10 - Step 4: Simplify right side
1,183,985.10x = 1,428,319,916,335.22 - Step 5: Solve for x
x = 1,428,319,916,335.22/1,183,985.10 - Step 6: Final answer
x = 1,206,366.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.