Finding the Fourth Proportional to 1,748,285.40, 2,620,988.10 and 788,803.80
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Solution
The fourth proportional to 1,748,285.40, 2,620,988.10 and 788,803.80 is: 1,182,555.99
Step by Step Solution
- Step 1: Write the proportion equation
1,748,285.40 : 2,620,988.10 = 788,803.80 : x - Step 2: Convert to fraction form
1,748,285.40/2,620,988.10 = 788,803.80/x - Step 3: Cross multiply
1,748,285.40x = 2,620,988.10 × 788,803.80 - Step 4: Simplify right side
1,748,285.40x = 2,067,445,373,034.78 - Step 5: Solve for x
x = 2,067,445,373,034.78/1,748,285.40 - Step 6: Final answer
x = 1,182,555.99
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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.