Finding the Fourth Proportional to 1,201,407.08, 1,657,277.70 and 771,750.76
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Solution
The fourth proportional to 1,201,407.08, 1,657,277.70 and 771,750.76 is: 1,064,589.47
Step by Step Solution
- Step 1: Write the proportion equation
1,201,407.08 : 1,657,277.70 = 771,750.76 : x - Step 2: Convert to fraction form
1,201,407.08/1,657,277.70 = 771,750.76/x - Step 3: Cross multiply
1,201,407.08x = 1,657,277.70 × 771,750.76 - Step 4: Simplify right side
1,201,407.08x = 1,279,005,324,506.05 - Step 5: Solve for x
x = 1,279,005,324,506.05/1,201,407.08 - Step 6: Final answer
x = 1,064,589.47
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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.