Finding the Fourth Proportional to 1,170,544, 1,615,350.72 and 634,000
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Solution
The fourth proportional to 1,170,544, 1,615,350.72 and 634,000 is: 874,920
Step by Step Solution
- Step 1: Write the proportion equation
1,170,544 : 1,615,350.72 = 634,000 : x - Step 2: Convert to fraction form
1,170,544/1,615,350.72 = 634,000/x - Step 3: Cross multiply
1,170,544x = 1,615,350.72 × 634,000 - Step 4: Simplify right side
1,170,544x = 1,024,132,356,480 - Step 5: Solve for x
x = 1,024,132,356,480/1,170,544 - Step 6: Final answer
x = 874,920
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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.