Finding the Fourth Proportional to 1,560,628.74, 2,341,098.87 and 423,408.78
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Solution
The fourth proportional to 1,560,628.74, 2,341,098.87 and 423,408.78 is: 635,155.43
Step by Step Solution
- Step 1: Write the proportion equation
1,560,628.74 : 2,341,098.87 = 423,408.78 : x - Step 2: Convert to fraction form
1,560,628.74/2,341,098.87 = 423,408.78/x - Step 3: Cross multiply
1,560,628.74x = 2,341,098.87 × 423,408.78 - Step 4: Simplify right side
1,560,628.74x = 991,241,816,406.08 - Step 5: Solve for x
x = 991,241,816,406.08/1,560,628.74 - Step 6: Final answer
x = 635,155.43
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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.