Finding the Fourth Proportional to 1,212,119.60, 1,672,750.36 and 668,278.31
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Solution
The fourth proportional to 1,212,119.60, 1,672,750.36 and 668,278.31 is: 922,238.02
Step by Step Solution
- Step 1: Write the proportion equation
1,212,119.60 : 1,672,750.36 = 668,278.31 : x - Step 2: Convert to fraction form
1,212,119.60/1,672,750.36 = 668,278.31/x - Step 3: Cross multiply
1,212,119.60x = 1,672,750.36 × 668,278.31 - Step 4: Simplify right side
1,212,119.60x = 1,117,862,776,104.29 - Step 5: Solve for x
x = 1,117,862,776,104.29/1,212,119.60 - Step 6: Final answer
x = 922,238.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.