Finding the Fourth Proportional to 1,270,831.26, 1,753,747.12 and 697,881
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Solution
The fourth proportional to 1,270,831.26, 1,753,747.12 and 697,881 is: 963,075.77
Step by Step Solution
- Step 1: Write the proportion equation
1,270,831.26 : 1,753,747.12 = 697,881 : x - Step 2: Convert to fraction form
1,270,831.26/1,753,747.12 = 697,881/x - Step 3: Cross multiply
1,270,831.26x = 1,753,747.12 × 697,881 - Step 4: Simplify right side
1,270,831.26x = 1,223,906,793,852.72 - Step 5: Solve for x
x = 1,223,906,793,852.72/1,270,831.26 - Step 6: Final answer
x = 963,075.77
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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.