Finding the Fourth Proportional to 1,214,132.96, 1,675,459.48 and 670,257.05
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Solution
The fourth proportional to 1,214,132.96, 1,675,459.48 and 670,257.05 is: 924,930.43
Step by Step Solution
- Step 1: Write the proportion equation
1,214,132.96 : 1,675,459.48 = 670,257.05 : x - Step 2: Convert to fraction form
1,214,132.96/1,675,459.48 = 670,257.05/x - Step 3: Cross multiply
1,214,132.96x = 1,675,459.48 × 670,257.05 - Step 4: Simplify right side
1,214,132.96x = 1,122,988,516,730.75 - Step 5: Solve for x
x = 1,122,988,516,730.75/1,214,132.96 - Step 6: Final answer
x = 924,930.43
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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.