Finding the Fourth Proportional to 1,214,079.76, 1,675,386.15 and 670,203.87
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Solution
The fourth proportional to 1,214,079.76, 1,675,386.15 and 670,203.87 is: 924,857.10
Step by Step Solution
- Step 1: Write the proportion equation
1,214,079.76 : 1,675,386.15 = 670,203.87 : x - Step 2: Convert to fraction form
1,214,079.76/1,675,386.15 = 670,203.87/x - Step 3: Cross multiply
1,214,079.76x = 1,675,386.15 × 670,203.87 - Step 4: Simplify right side
1,214,079.76x = 1,122,850,281,474.40 - Step 5: Solve for x
x = 1,122,850,281,474.40/1,214,079.76 - Step 6: Final answer
x = 924,857.10
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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.