Finding the Fourth Proportional to 1,104,182.94, 1,523,585.91 and 620,683.74
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Solution
The fourth proportional to 1,104,182.94, 1,523,585.91 and 620,683.74 is: 856,438.70
Step by Step Solution
- Step 1: Write the proportion equation
1,104,182.94 : 1,523,585.91 = 620,683.74 : x - Step 2: Convert to fraction form
1,104,182.94/1,523,585.91 = 620,683.74/x - Step 3: Cross multiply
1,104,182.94x = 1,523,585.91 × 620,683.74 - Step 4: Simplify right side
1,104,182.94x = 945,665,000,830.10 - Step 5: Solve for x
x = 945,665,000,830.10/1,104,182.94 - Step 6: Final answer
x = 856,438.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.