Finding the Fourth Proportional to 1,055,898.36, 1,583,764.90 and 297,709.20
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Solution
The fourth proportional to 1,055,898.36, 1,583,764.90 and 297,709.20 is: 446,540.50
Step by Step Solution
- Step 1: Write the proportion equation
1,055,898.36 : 1,583,764.90 = 297,709.20 : x - Step 2: Convert to fraction form
1,055,898.36/1,583,764.90 = 297,709.20/x - Step 3: Cross multiply
1,055,898.36x = 1,583,764.90 × 297,709.20 - Step 4: Simplify right side
1,055,898.36x = 471,501,381,367.08 - Step 5: Solve for x
x = 471,501,381,367.08/1,055,898.36 - Step 6: Final answer
x = 446,540.50
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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.