Finding the Fourth Proportional to 1,119,938.70, 1,679,908.05 and 1,101,276.30
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Solution
The fourth proportional to 1,119,938.70, 1,679,908.05 and 1,101,276.30 is: 1,651,914.45
Step by Step Solution
- Step 1: Write the proportion equation
1,119,938.70 : 1,679,908.05 = 1,101,276.30 : x - Step 2: Convert to fraction form
1,119,938.70/1,679,908.05 = 1,101,276.30/x - Step 3: Cross multiply
1,119,938.70x = 1,679,908.05 × 1,101,276.30 - Step 4: Simplify right side
1,119,938.70x = 1,850,042,921,644.22 - Step 5: Solve for x
x = 1,850,042,921,644.22/1,119,938.70 - Step 6: Final answer
x = 1,651,914.45
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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.