Finding the Fourth Proportional to 1,358,905.94, 2,038,691.75 and 676,115.00
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Solution
The fourth proportional to 1,358,905.94, 2,038,691.75 and 676,115.00 is: 1,014,338.10
Step by Step Solution
- Step 1: Write the proportion equation
1,358,905.94 : 2,038,691.75 = 676,115.00 : x - Step 2: Convert to fraction form
1,358,905.94/2,038,691.75 = 676,115.00/x - Step 3: Cross multiply
1,358,905.94x = 2,038,691.75 × 676,115.00 - Step 4: Simplify right side
1,358,905.94x = 1,378,390,058,977.22 - Step 5: Solve for x
x = 1,378,390,058,977.22/1,358,905.94 - Step 6: Final answer
x = 1,014,338.10
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.