Finding the Fourth Proportional to 1,183,219.79, 1,774,829.68 and 1,080,576.59
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Solution
The fourth proportional to 1,183,219.79, 1,774,829.68 and 1,080,576.59 is: 1,620,864.88
Step by Step Solution
- Step 1: Write the proportion equation
1,183,219.79 : 1,774,829.68 = 1,080,576.59 : x - Step 2: Convert to fraction form
1,183,219.79/1,774,829.68 = 1,080,576.59/x - Step 3: Cross multiply
1,183,219.79x = 1,774,829.68 × 1,080,576.59 - Step 4: Simplify right side
1,183,219.79x = 1,917,839,391,869.60 - Step 5: Solve for x
x = 1,917,839,391,869.60/1,183,219.79 - Step 6: Final answer
x = 1,620,864.88
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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.