Finding the Fourth Proportional to 1,135,440.75, 1,566,985.65 and 658,512.75
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Solution
The fourth proportional to 1,135,440.75, 1,566,985.65 and 658,512.75 is: 908,792.49
Step by Step Solution
- Step 1: Write the proportion equation
1,135,440.75 : 1,566,985.65 = 658,512.75 : x - Step 2: Convert to fraction form
1,135,440.75/1,566,985.65 = 658,512.75/x - Step 3: Cross multiply
1,135,440.75x = 1,566,985.65 × 658,512.75 - Step 4: Simplify right side
1,135,440.75x = 1,031,880,029,592.04 - Step 5: Solve for x
x = 1,031,880,029,592.04/1,135,440.75 - Step 6: Final answer
x = 908,792.49
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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.