Finding the Fourth Proportional to 1,401,708.55, 1,934,358.58 and 757,128.74
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Solution
The fourth proportional to 1,401,708.55, 1,934,358.58 and 757,128.74 is: 1,044,838.08
Step by Step Solution
- Step 1: Write the proportion equation
1,401,708.55 : 1,934,358.58 = 757,128.74 : x - Step 2: Convert to fraction form
1,401,708.55/1,934,358.58 = 757,128.74/x - Step 3: Cross multiply
1,401,708.55x = 1,934,358.58 × 757,128.74 - Step 4: Simplify right side
1,401,708.55x = 1,464,558,470,597.95 - Step 5: Solve for x
x = 1,464,558,470,597.95/1,401,708.55 - Step 6: Final answer
x = 1,044,838.08
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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.