Finding the Fourth Proportional to 1,247,495.98, 1,721,545.68 and 674,536
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Solution
The fourth proportional to 1,247,495.98, 1,721,545.68 and 674,536 is: 930,860.34
Step by Step Solution
- Step 1: Write the proportion equation
1,247,495.98 : 1,721,545.68 = 674,536 : x - Step 2: Convert to fraction form
1,247,495.98/1,721,545.68 = 674,536/x - Step 3: Cross multiply
1,247,495.98x = 1,721,545.68 × 674,536 - Step 4: Simplify right side
1,247,495.98x = 1,161,244,536,804.48 - Step 5: Solve for x
x = 1,161,244,536,804.48/1,247,495.98 - Step 6: Final answer
x = 930,860.34
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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.