Finding the Fourth Proportional to 1,119,304.36, 1,543,926.18 and 915,650.92
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Solution
The fourth proportional to 1,119,304.36, 1,543,926.18 and 915,650.92 is: 1,263,014.31
Step by Step Solution
- Step 1: Write the proportion equation
1,119,304.36 : 1,543,926.18 = 915,650.92 : x - Step 2: Convert to fraction form
1,119,304.36/1,543,926.18 = 915,650.92/x - Step 3: Cross multiply
1,119,304.36x = 1,543,926.18 × 915,650.92 - Step 4: Simplify right side
1,119,304.36x = 1,413,697,427,129.09 - Step 5: Solve for x
x = 1,413,697,427,129.09/1,119,304.36 - Step 6: Final answer
x = 1,263,014.31
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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.