Finding the Fourth Proportional to 1,178,724.05, 1,626,834.87 and 695,407.98
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Solution
The fourth proportional to 1,178,724.05, 1,626,834.87 and 695,407.98 is: 959,778.46
Step by Step Solution
- Step 1: Write the proportion equation
1,178,724.05 : 1,626,834.87 = 695,407.98 : x - Step 2: Convert to fraction form
1,178,724.05/1,626,834.87 = 695,407.98/x - Step 3: Cross multiply
1,178,724.05x = 1,626,834.87 × 695,407.98 - Step 4: Simplify right side
1,178,724.05x = 1,131,313,950,740.26 - Step 5: Solve for x
x = 1,131,313,950,740.26/1,178,724.05 - Step 6: Final answer
x = 959,778.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.