Finding the Fourth Proportional to 1,277,331.79, 1,913,828.74 and 770,828.46
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Solution
The fourth proportional to 1,277,331.79, 1,913,828.74 and 770,828.46 is: 1,154,933.80
Step by Step Solution
- Step 1: Write the proportion equation
1,277,331.79 : 1,913,828.74 = 770,828.46 : x - Step 2: Convert to fraction form
1,277,331.79/1,913,828.74 = 770,828.46/x - Step 3: Cross multiply
1,277,331.79x = 1,913,828.74 × 770,828.46 - Step 4: Simplify right side
1,277,331.79x = 1,475,233,661,321.48 - Step 5: Solve for x
x = 1,475,233,661,321.48/1,277,331.79 - Step 6: Final answer
x = 1,154,933.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.