Finding the Fourth Proportional to 1,213,070.99, 1,819,606.68 and 573,439.10
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Solution
The fourth proportional to 1,213,070.99, 1,819,606.68 and 573,439.10 is: 860,158.74
Step by Step Solution
- Step 1: Write the proportion equation
1,213,070.99 : 1,819,606.68 = 573,439.10 : x - Step 2: Convert to fraction form
1,213,070.99/1,819,606.68 = 573,439.10/x - Step 3: Cross multiply
1,213,070.99x = 1,819,606.68 × 573,439.10 - Step 4: Simplify right side
1,213,070.99x = 1,043,433,607,835.15 - Step 5: Solve for x
x = 1,043,433,607,835.15/1,213,070.99 - Step 6: Final answer
x = 860,158.74
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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.