Finding the Fourth Proportional to 1,153,604.64, 1,592,675.76 and 791,623.20
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Solution
The fourth proportional to 1,153,604.64, 1,592,675.76 and 791,623.20 is: 1,092,921.30
Step by Step Solution
- Step 1: Write the proportion equation
1,153,604.64 : 1,592,675.76 = 791,623.20 : x - Step 2: Convert to fraction form
1,153,604.64/1,592,675.76 = 791,623.20/x - Step 3: Cross multiply
1,153,604.64x = 1,592,675.76 × 791,623.20 - Step 4: Simplify right side
1,153,604.64x = 1,260,799,081,693.63 - Step 5: Solve for x
x = 1,260,799,081,693.63/1,153,604.64 - Step 6: Final answer
x = 1,092,921.30
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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.