Finding the Fourth Proportional to 1,103,935.10, 1,523,473.62 and 620,498.75
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Solution
The fourth proportional to 1,103,935.10, 1,523,473.62 and 620,498.75 is: 856,312.54
Step by Step Solution
- Step 1: Write the proportion equation
1,103,935.10 : 1,523,473.62 = 620,498.75 : x - Step 2: Convert to fraction form
1,103,935.10/1,523,473.62 = 620,498.75/x - Step 3: Cross multiply
1,103,935.10x = 1,523,473.62 × 620,498.75 - Step 4: Simplify right side
1,103,935.10x = 945,313,466,923.74 - Step 5: Solve for x
x = 945,313,466,923.74/1,103,935.10 - Step 6: Final answer
x = 856,312.54
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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.