Finding the Fourth Proportional to 1,598,676.45, 2,399,720.99 and 688,309.45
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Solution
The fourth proportional to 1,598,676.45, 2,399,720.99 and 688,309.45 is: 1,033,198.82
Step by Step Solution
- Step 1: Write the proportion equation
1,598,676.45 : 2,399,720.99 = 688,309.45 : x - Step 2: Convert to fraction form
1,598,676.45/2,399,720.99 = 688,309.45/x - Step 3: Cross multiply
1,598,676.45x = 2,399,720.99 × 688,309.45 - Step 4: Simplify right side
1,598,676.45x = 1,651,750,625,339.51 - Step 5: Solve for x
x = 1,651,750,625,339.51/1,598,676.45 - Step 6: Final answer
x = 1,033,198.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.