Finding the Fourth Proportional to 1,128,799.08, 1,693,752.12 and 529,808.94
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Solution
The fourth proportional to 1,128,799.08, 1,693,752.12 and 529,808.94 is: 794,973.20
Step by Step Solution
- Step 1: Write the proportion equation
1,128,799.08 : 1,693,752.12 = 529,808.94 : x - Step 2: Convert to fraction form
1,128,799.08/1,693,752.12 = 529,808.94/x - Step 3: Cross multiply
1,128,799.08x = 1,693,752.12 × 529,808.94 - Step 4: Simplify right side
1,128,799.08x = 897,365,015,319.95 - Step 5: Solve for x
x = 897,365,015,319.95/1,128,799.08 - Step 6: Final answer
x = 794,973.20
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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.