Finding the Fourth Proportional to 1,146,382.32, 1,717,209.36 and 671,627.28
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Solution
The fourth proportional to 1,146,382.32, 1,717,209.36 and 671,627.28 is: 1,006,055.86
Step by Step Solution
- Step 1: Write the proportion equation
1,146,382.32 : 1,717,209.36 = 671,627.28 : x - Step 2: Convert to fraction form
1,146,382.32/1,717,209.36 = 671,627.28/x - Step 3: Cross multiply
1,146,382.32x = 1,717,209.36 × 671,627.28 - Step 4: Simplify right side
1,146,382.32x = 1,153,324,651,647.34 - Step 5: Solve for x
x = 1,153,324,651,647.34/1,146,382.32 - Step 6: Final answer
x = 1,006,055.86
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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.