Finding the Fourth Proportional to 1,143,162.42, 1,577,493.28 and 633,864.79
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Solution
The fourth proportional to 1,143,162.42, 1,577,493.28 and 633,864.79 is: 874,694.12
Step by Step Solution
- Step 1: Write the proportion equation
1,143,162.42 : 1,577,493.28 = 633,864.79 : x - Step 2: Convert to fraction form
1,143,162.42/1,577,493.28 = 633,864.79/x - Step 3: Cross multiply
1,143,162.42x = 1,577,493.28 × 633,864.79 - Step 4: Simplify right side
1,143,162.42x = 999,917,445,852.32 - Step 5: Solve for x
x = 999,917,445,852.32/1,143,162.42 - Step 6: Final answer
x = 874,694.12
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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.