Finding the Fourth Proportional to 1,059,588.01, 1,588,448.90 and 420,340.68
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Solution
The fourth proportional to 1,059,588.01, 1,588,448.90 and 420,340.68 is: 630,140.86
Step by Step Solution
- Step 1: Write the proportion equation
1,059,588.01 : 1,588,448.90 = 420,340.68 : x - Step 2: Convert to fraction form
1,059,588.01/1,588,448.90 = 420,340.68/x - Step 3: Cross multiply
1,059,588.01x = 1,588,448.90 × 420,340.68 - Step 4: Simplify right side
1,059,588.01x = 667,689,693,925.20 - Step 5: Solve for x
x = 667,689,693,925.20/1,059,588.01 - Step 6: Final answer
x = 630,140.86
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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.