Finding the Fourth Proportional to 1,403,550.76, 2,106,779.73 and 864,195.52
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Solution
The fourth proportional to 1,403,550.76, 2,106,779.73 and 864,195.52 is: 1,297,188.29
Step by Step Solution
- Step 1: Write the proportion equation
1,403,550.76 : 2,106,779.73 = 864,195.52 : x - Step 2: Convert to fraction form
1,403,550.76/2,106,779.73 = 864,195.52/x - Step 3: Cross multiply
1,403,550.76x = 2,106,779.73 × 864,195.52 - Step 4: Simplify right side
1,403,550.76x = 1,820,669,604,292.81 - Step 5: Solve for x
x = 1,820,669,604,292.81/1,403,550.76 - Step 6: Final answer
x = 1,297,188.29
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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.