Finding the Fourth Proportional to 1,183,501.40, 1,775,252.10 and 805,587.80
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Solution
The fourth proportional to 1,183,501.40, 1,775,252.10 and 805,587.80 is: 1,208,381.70
Step by Step Solution
- Step 1: Write the proportion equation
1,183,501.40 : 1,775,252.10 = 805,587.80 : x - Step 2: Convert to fraction form
1,183,501.40/1,775,252.10 = 805,587.80/x - Step 3: Cross multiply
1,183,501.40x = 1,775,252.10 × 805,587.80 - Step 4: Simplify right side
1,183,501.40x = 1,430,121,433,684.38 - Step 5: Solve for x
x = 1,430,121,433,684.38/1,183,501.40 - Step 6: Final answer
x = 1,208,381.70
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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.