Finding the Fourth Proportional to 1,260,684.37, 1,881,193.95 and 1,124,814.45
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Solution
The fourth proportional to 1,260,684.37, 1,881,193.95 and 1,124,814.45 is: 1,678,448.78
Step by Step Solution
- Step 1: Write the proportion equation
1,260,684.37 : 1,881,193.95 = 1,124,814.45 : x - Step 2: Convert to fraction form
1,260,684.37/1,881,193.95 = 1,124,814.45/x - Step 3: Cross multiply
1,260,684.37x = 1,881,193.95 × 1,124,814.45 - Step 4: Simplify right side
1,260,684.37x = 2,115,994,138,212.58 - Step 5: Solve for x
x = 2,115,994,138,212.58/1,260,684.37 - Step 6: Final answer
x = 1,678,448.78
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.