Finding the Fourth Proportional to 1,375,610.70, 1,898,402.06 and 763,763.49
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Solution
The fourth proportional to 1,375,610.70, 1,898,402.06 and 763,763.49 is: 1,054,026.53
Step by Step Solution
- Step 1: Write the proportion equation
1,375,610.70 : 1,898,402.06 = 763,763.49 : x - Step 2: Convert to fraction form
1,375,610.70/1,898,402.06 = 763,763.49/x - Step 3: Cross multiply
1,375,610.70x = 1,898,402.06 × 763,763.49 - Step 4: Simplify right side
1,375,610.70x = 1,449,930,178,949.97 - Step 5: Solve for x
x = 1,449,930,178,949.97/1,375,610.70 - Step 6: Final answer
x = 1,054,026.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.