Finding the Fourth Proportional to 1,259,134.70, 1,888,702.05 and 1,010,302.70
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Solution
The fourth proportional to 1,259,134.70, 1,888,702.05 and 1,010,302.70 is: 1,515,454.05
Step by Step Solution
- Step 1: Write the proportion equation
1,259,134.70 : 1,888,702.05 = 1,010,302.70 : x - Step 2: Convert to fraction form
1,259,134.70/1,888,702.05 = 1,010,302.70/x - Step 3: Cross multiply
1,259,134.70x = 1,888,702.05 × 1,010,302.70 - Step 4: Simplify right side
1,259,134.70x = 1,908,160,780,610.54 - Step 5: Solve for x
x = 1,908,160,780,610.54/1,259,134.70 - Step 6: Final answer
x = 1,515,454.05
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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.