Finding the Fourth Proportional to 1,135,613.48, 1,703,420.94 and 637,327.40
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Solution
The fourth proportional to 1,135,613.48, 1,703,420.94 and 637,327.40 is: 955,991.50
Step by Step Solution
- Step 1: Write the proportion equation
1,135,613.48 : 1,703,420.94 = 637,327.40 : x - Step 2: Convert to fraction form
1,135,613.48/1,703,420.94 = 637,327.40/x - Step 3: Cross multiply
1,135,613.48x = 1,703,420.94 × 637,327.40 - Step 4: Simplify right side
1,135,613.48x = 1,085,636,838,795.76 - Step 5: Solve for x
x = 1,085,636,838,795.76/1,135,613.48 - Step 6: Final answer
x = 955,991.50
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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.