Finding the Fourth Proportional to 1,328,252.49, 1,832,982.35 and 724,640.49
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Solution
The fourth proportional to 1,328,252.49, 1,832,982.35 and 724,640.49 is: 1,000,000.55
Step by Step Solution
- Step 1: Write the proportion equation
1,328,252.49 : 1,832,982.35 = 724,640.49 : x - Step 2: Convert to fraction form
1,328,252.49/1,832,982.35 = 724,640.49/x - Step 3: Cross multiply
1,328,252.49x = 1,832,982.35 × 724,640.49 - Step 4: Simplify right side
1,328,252.49x = 1,328,253,224,642.15 - Step 5: Solve for x
x = 1,328,253,224,642.15/1,328,252.49 - Step 6: Final answer
x = 1,000,000.55
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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.