Finding the Fourth Proportional to 1,143,230.15, 1,577,543.92 and 659,950.99
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Solution
The fourth proportional to 1,143,230.15, 1,577,543.92 and 659,950.99 is: 910,666.74
Step by Step Solution
- Step 1: Write the proportion equation
1,143,230.15 : 1,577,543.92 = 659,950.99 : x - Step 2: Convert to fraction form
1,143,230.15/1,577,543.92 = 659,950.99/x - Step 3: Cross multiply
1,143,230.15x = 1,577,543.92 × 659,950.99 - Step 4: Simplify right side
1,143,230.15x = 1,041,101,671,772.48 - Step 5: Solve for x
x = 1,041,101,671,772.48/1,143,230.15 - Step 6: Final answer
x = 910,666.74
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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.