Finding the Fourth Proportional to 1,348,510.30, 1,861,000.85 and 775,550.99
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Solution
The fourth proportional to 1,348,510.30, 1,861,000.85 and 775,550.99 is: 1,070,292.94
Step by Step Solution
- Step 1: Write the proportion equation
1,348,510.30 : 1,861,000.85 = 775,550.99 : x - Step 2: Convert to fraction form
1,348,510.30/1,861,000.85 = 775,550.99/x - Step 3: Cross multiply
1,348,510.30x = 1,861,000.85 × 775,550.99 - Step 4: Simplify right side
1,348,510.30x = 1,443,301,051,608.34 - Step 5: Solve for x
x = 1,443,301,051,608.34/1,348,510.30 - Step 6: Final answer
x = 1,070,292.94
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1.5x scale
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.