Finding the Fourth Proportional to 1,129,475.69, 1,558,676.46 and 620,178.07
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Solution
The fourth proportional to 1,129,475.69, 1,558,676.46 and 620,178.07 is: 855,845.74
Step by Step Solution
- Step 1: Write the proportion equation
1,129,475.69 : 1,558,676.46 = 620,178.07 : x - Step 2: Convert to fraction form
1,129,475.69/1,558,676.46 = 620,178.07/x - Step 3: Cross multiply
1,129,475.69x = 1,558,676.46 × 620,178.07 - Step 4: Simplify right side
1,129,475.69x = 966,656,957,146.21 - Step 5: Solve for x
x = 966,656,957,146.21/1,129,475.69 - Step 6: Final answer
x = 855,845.74
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.