Finding the Fourth Proportional to 1,463,959.62, 2,020,263.92 and 819,379.84
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Solution
The fourth proportional to 1,463,959.62, 2,020,263.92 and 819,379.84 is: 1,130,743.98
Step by Step Solution
- Step 1: Write the proportion equation
1,463,959.62 : 2,020,263.92 = 819,379.84 : x - Step 2: Convert to fraction form
1,463,959.62/2,020,263.92 = 819,379.84/x - Step 3: Cross multiply
1,463,959.62x = 2,020,263.92 × 819,379.84 - Step 4: Simplify right side
1,463,959.62x = 1,655,363,527,527.37 - Step 5: Solve for x
x = 1,655,363,527,527.37/1,463,959.62 - Step 6: Final answer
x = 1,130,743.98
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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.