Finding the Fourth Proportional to 1,125,879.48, 1,688,994.23 and 378,100.44
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Solution
The fourth proportional to 1,125,879.48, 1,688,994.23 and 378,100.44 is: 567,209.43
Step by Step Solution
- Step 1: Write the proportion equation
1,125,879.48 : 1,688,994.23 = 378,100.44 : x - Step 2: Convert to fraction form
1,125,879.48/1,688,994.23 = 378,100.44/x - Step 3: Cross multiply
1,125,879.48x = 1,688,994.23 × 378,100.44 - Step 4: Simplify right side
1,125,879.48x = 638,609,459,629.96 - Step 5: Solve for x
x = 638,609,459,629.96/1,125,879.48 - Step 6: Final answer
x = 567,209.43
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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.