Finding the Fourth Proportional to 1,143,220.63, 1,577,530.80 and 659,941.47
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Solution
The fourth proportional to 1,143,220.63, 1,577,530.80 and 659,941.47 is: 910,653.61
Step by Step Solution
- Step 1: Write the proportion equation
1,143,220.63 : 1,577,530.80 = 659,941.47 : x - Step 2: Convert to fraction form
1,143,220.63/1,577,530.80 = 659,941.47/x - Step 3: Cross multiply
1,143,220.63x = 1,577,530.80 × 659,941.47 - Step 4: Simplify right side
1,143,220.63x = 1,041,077,992,853.04 - Step 5: Solve for x
x = 1,041,077,992,853.04/1,143,220.63 - Step 6: Final answer
x = 910,653.61
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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.