Finding the Fourth Proportional to 1,277,149.24, 1,913,555.99 and 770,645.98
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Solution
The fourth proportional to 1,277,149.24, 1,913,555.99 and 770,645.98 is: 1,154,660.85
Step by Step Solution
- Step 1: Write the proportion equation
1,277,149.24 : 1,913,555.99 = 770,645.98 : x - Step 2: Convert to fraction form
1,277,149.24/1,913,555.99 = 770,645.98/x - Step 3: Cross multiply
1,277,149.24x = 1,913,555.99 × 770,645.98 - Step 4: Simplify right side
1,277,149.24x = 1,474,674,227,345.19 - Step 5: Solve for x
x = 1,474,674,227,345.19/1,277,149.24 - Step 6: Final answer
x = 1,154,660.85
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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.