Finding the Fourth Proportional to 1,292,584.74, 1,783,305.23 and 748,423.50
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Solution
The fourth proportional to 1,292,584.74, 1,783,305.23 and 748,423.50 is: 1,032,557.09
Step by Step Solution
- Step 1: Write the proportion equation
1,292,584.74 : 1,783,305.23 = 748,423.50 : x - Step 2: Convert to fraction form
1,292,584.74/1,783,305.23 = 748,423.50/x - Step 3: Cross multiply
1,292,584.74x = 1,783,305.23 × 748,423.50 - Step 4: Simplify right side
1,292,584.74x = 1,334,667,538,062.79 - Step 5: Solve for x
x = 1,334,667,538,062.79/1,292,584.74 - Step 6: Final answer
x = 1,032,557.09
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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.