Finding the Fourth Proportional to 1,126,430.14, 1,689,865.73 and 495,342.13
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Solution
The fourth proportional to 1,126,430.14, 1,689,865.73 and 495,342.13 is: 743,110.17
Step by Step Solution
- Step 1: Write the proportion equation
1,126,430.14 : 1,689,865.73 = 495,342.13 : x - Step 2: Convert to fraction form
1,126,430.14/1,689,865.73 = 495,342.13/x - Step 3: Cross multiply
1,126,430.14x = 1,689,865.73 × 495,342.13 - Step 4: Simplify right side
1,126,430.14x = 837,061,690,112.21 - Step 5: Solve for x
x = 837,061,690,112.21/1,126,430.14 - Step 6: Final answer
x = 743,110.17
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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.