Finding the Fourth Proportional to 1,124,206.96, 1,686,332.40 and 413,869.36
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Solution
The fourth proportional to 1,124,206.96, 1,686,332.40 and 413,869.36 is: 620,812.12
Step by Step Solution
- Step 1: Write the proportion equation
1,124,206.96 : 1,686,332.40 = 413,869.36 : x - Step 2: Convert to fraction form
1,124,206.96/1,686,332.40 = 413,869.36/x - Step 3: Cross multiply
1,124,206.96x = 1,686,332.40 × 413,869.36 - Step 4: Simplify right side
1,124,206.96x = 697,921,311,135.26 - Step 5: Solve for x
x = 697,921,311,135.26/1,124,206.96 - Step 6: Final answer
x = 620,812.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.