Finding the Fourth Proportional to 1,408,263.44, 1,943,404.53 and 763,683.44
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Solution
The fourth proportional to 1,408,263.44, 1,943,404.53 and 763,683.44 is: 1,053,883.68
Step by Step Solution
- Step 1: Write the proportion equation
1,408,263.44 : 1,943,404.53 = 763,683.44 : x - Step 2: Convert to fraction form
1,408,263.44/1,943,404.53 = 763,683.44/x - Step 3: Cross multiply
1,408,263.44x = 1,943,404.53 × 763,683.44 - Step 4: Simplify right side
1,408,263.44x = 1,484,145,856,781.98 - Step 5: Solve for x
x = 1,484,145,856,781.98/1,408,263.44 - Step 6: Final answer
x = 1,053,883.68
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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.