Finding the Fourth Proportional to 1,214,261.79, 1,675,683.63 and 670,398.63
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Solution
The fourth proportional to 1,214,261.79, 1,675,683.63 and 670,398.63 is: 925,151.41
Step by Step Solution
- Step 1: Write the proportion equation
1,214,261.79 : 1,675,683.63 = 670,398.63 : x - Step 2: Convert to fraction form
1,214,261.79/1,675,683.63 = 670,398.63/x - Step 3: Cross multiply
1,214,261.79x = 1,675,683.63 × 670,398.63 - Step 4: Simplify right side
1,214,261.79x = 1,123,376,009,865.43 - Step 5: Solve for x
x = 1,123,376,009,865.43/1,214,261.79 - Step 6: Final answer
x = 925,151.41
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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.