Finding the Fourth Proportional to 1,226,970.26, 1,692,780.75 and 710,442.26
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Solution
The fourth proportional to 1,226,970.26, 1,692,780.75 and 710,442.26 is: 980,156.58
Step by Step Solution
- Step 1: Write the proportion equation
1,226,970.26 : 1,692,780.75 = 710,442.26 : x - Step 2: Convert to fraction form
1,226,970.26/1,692,780.75 = 710,442.26/x - Step 3: Cross multiply
1,226,970.26x = 1,692,780.75 × 710,442.26 - Step 4: Simplify right side
1,226,970.26x = 1,202,622,973,250.59 - Step 5: Solve for x
x = 1,202,622,973,250.59/1,226,970.26 - Step 6: Final answer
x = 980,156.58
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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.