Finding the Fourth Proportional to 1,277,315.07, 1,762,737.35 and 696,569.97
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Solution
The fourth proportional to 1,277,315.07, 1,762,737.35 and 696,569.97 is: 961,289.76
Step by Step Solution
- Step 1: Write the proportion equation
1,277,315.07 : 1,762,737.35 = 696,569.97 : x - Step 2: Convert to fraction form
1,277,315.07/1,762,737.35 = 696,569.97/x - Step 3: Cross multiply
1,277,315.07x = 1,762,737.35 × 696,569.97 - Step 4: Simplify right side
1,277,315.07x = 1,227,869,903,007.38 - Step 5: Solve for x
x = 1,227,869,903,007.38/1,277,315.07 - Step 6: Final answer
x = 961,289.76
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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.