Finding the Fourth Proportional to 993,950.70, 1,490,926.05 and 836,486.70
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Solution
The fourth proportional to 993,950.70, 1,490,926.05 and 836,486.70 is: 1,254,730.05
Step by Step Solution
- Step 1: Write the proportion equation
993,950.70 : 1,490,926.05 = 836,486.70 : x - Step 2: Convert to fraction form
993,950.70/1,490,926.05 = 836,486.70/x - Step 3: Cross multiply
993,950.70x = 1,490,926.05 × 836,486.70 - Step 4: Simplify right side
993,950.70x = 1,247,139,811,508.53 - Step 5: Solve for x
x = 1,247,139,811,508.53/993,950.70 - Step 6: Final answer
x = 1,254,730.05
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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.