Finding the Fourth Proportional to 1,146,395.07, 1,717,228.49 and 671,640.03
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Solution
The fourth proportional to 1,146,395.07, 1,717,228.49 and 671,640.03 is: 1,006,074.97
Step by Step Solution
- Step 1: Write the proportion equation
1,146,395.07 : 1,717,228.49 = 671,640.03 : x - Step 2: Convert to fraction form
1,146,395.07/1,717,228.49 = 671,640.03/x - Step 3: Cross multiply
1,146,395.07x = 1,717,228.49 × 671,640.03 - Step 4: Simplify right side
1,146,395.07x = 1,153,359,391,182.25 - Step 5: Solve for x
x = 1,153,359,391,182.25/1,146,395.07 - Step 6: Final answer
x = 1,006,074.97
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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.