Finding the Fourth Proportional to 1,320,267.03, 1,821,957.62 and 747,302.19
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Solution
The fourth proportional to 1,320,267.03, 1,821,957.62 and 747,302.19 is: 1,031,270.86
Step by Step Solution
- Step 1: Write the proportion equation
1,320,267.03 : 1,821,957.62 = 747,302.19 : x - Step 2: Convert to fraction form
1,320,267.03/1,821,957.62 = 747,302.19/x - Step 3: Cross multiply
1,320,267.03x = 1,821,957.62 × 747,302.19 - Step 4: Simplify right side
1,320,267.03x = 1,361,552,915,776.68 - Step 5: Solve for x
x = 1,361,552,915,776.68/1,320,267.03 - Step 6: Final answer
x = 1,031,270.86
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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.