Finding the Fourth Proportional to 1,040,051.07, 1,560,134.93 and 292,038.75
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Solution
The fourth proportional to 1,040,051.07, 1,560,134.93 and 292,038.75 is: 438,074.50
Step by Step Solution
- Step 1: Write the proportion equation
1,040,051.07 : 1,560,134.93 = 292,038.75 : x - Step 2: Convert to fraction form
1,040,051.07/1,560,134.93 = 292,038.75/x - Step 3: Cross multiply
1,040,051.07x = 1,560,134.93 × 292,038.75 - Step 4: Simplify right side
1,040,051.07x = 455,619,854,788.54 - Step 5: Solve for x
x = 455,619,854,788.54/1,040,051.07 - Step 6: Final answer
x = 438,074.50
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1.5x scale
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.