Finding the Fourth Proportional to 1,043,620.84, 1,565,654.68 and 323,946.74
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Solution
The fourth proportional to 1,043,620.84, 1,565,654.68 and 323,946.74 is: 485,989.46
Step by Step Solution
- Step 1: Write the proportion equation
1,043,620.84 : 1,565,654.68 = 323,946.74 : x - Step 2: Convert to fraction form
1,043,620.84/1,565,654.68 = 323,946.74/x - Step 3: Cross multiply
1,043,620.84x = 1,565,654.68 × 323,946.74 - Step 4: Simplify right side
1,043,620.84x = 507,188,721,723.47 - Step 5: Solve for x
x = 507,188,721,723.47/1,043,620.84 - Step 6: Final answer
x = 485,989.46
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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.