Finding the Fourth Proportional to 1,348,509.30, 1,860,999.47 and 775,549.99
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Solution
The fourth proportional to 1,348,509.30, 1,860,999.47 and 775,549.99 is: 1,070,291.56
Step by Step Solution
- Step 1: Write the proportion equation
1,348,509.30 : 1,860,999.47 = 775,549.99 : x - Step 2: Convert to fraction form
1,348,509.30/1,860,999.47 = 775,549.99/x - Step 3: Cross multiply
1,348,509.30x = 1,860,999.47 × 775,549.99 - Step 4: Simplify right side
1,348,509.30x = 1,443,298,120,348.51 - Step 5: Solve for x
x = 1,443,298,120,348.51/1,348,509.30 - Step 6: Final answer
x = 1,070,291.56
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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.