Finding the Fourth Proportional to 1,329,183.74, 1,834,031.60 and 748,316.54
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Solution
The fourth proportional to 1,329,183.74, 1,834,031.60 and 748,316.54 is: 1,032,540.61
Step by Step Solution
- Step 1: Write the proportion equation
1,329,183.74 : 1,834,031.60 = 748,316.54 : x - Step 2: Convert to fraction form
1,329,183.74/1,834,031.60 = 748,316.54/x - Step 3: Cross multiply
1,329,183.74x = 1,834,031.60 × 748,316.54 - Step 4: Simplify right side
1,329,183.74x = 1,372,436,187,618.53 - Step 5: Solve for x
x = 1,372,436,187,618.53/1,329,183.74 - Step 6: Final answer
x = 1,032,540.61
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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.