Finding the Fourth Proportional to 1,292,350.55, 1,783,644.30 and 776,391.68
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Solution
The fourth proportional to 1,292,350.55, 1,783,644.30 and 776,391.68 is: 1,071,541.00
Step by Step Solution
- Step 1: Write the proportion equation
1,292,350.55 : 1,783,644.30 = 776,391.68 : x - Step 2: Convert to fraction form
1,292,350.55/1,783,644.30 = 776,391.68/x - Step 3: Cross multiply
1,292,350.55x = 1,783,644.30 × 776,391.68 - Step 4: Simplify right side
1,292,350.55x = 1,384,806,599,058.53 - Step 5: Solve for x
x = 1,384,806,599,058.53/1,292,350.55 - Step 6: Final answer
x = 1,071,541.00
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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.