Finding the Fourth Proportional to 1,104,210.87, 1,523,813.37 and 620,779.99
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Solution
The fourth proportional to 1,104,210.87, 1,523,813.37 and 620,779.99 is: 856,677.72
Step by Step Solution
- Step 1: Write the proportion equation
1,104,210.87 : 1,523,813.37 = 620,779.99 : x - Step 2: Convert to fraction form
1,104,210.87/1,523,813.37 = 620,779.99/x - Step 3: Cross multiply
1,104,210.87x = 1,523,813.37 × 620,779.99 - Step 4: Simplify right side
1,104,210.87x = 945,952,854,833.71 - Step 5: Solve for x
x = 945,952,854,833.71/1,104,210.87 - Step 6: Final answer
x = 856,677.72
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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.