Finding the Fourth Proportional to 1,277,149.74, 1,913,556.73 and 770,646.48
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Solution
The fourth proportional to 1,277,149.74, 1,913,556.73 and 770,646.48 is: 1,154,661.60
Step by Step Solution
- Step 1: Write the proportion equation
1,277,149.74 : 1,913,556.73 = 770,646.48 : x - Step 2: Convert to fraction form
1,277,149.74/1,913,556.73 = 770,646.48/x - Step 3: Cross multiply
1,277,149.74x = 1,913,556.73 × 770,646.48 - Step 4: Simplify right side
1,277,149.74x = 1,474,675,758,254.81 - Step 5: Solve for x
x = 1,474,675,758,254.81/1,277,149.74 - Step 6: Final answer
x = 1,154,661.60
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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.